Manufacturer | Master Lock |
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Place of Business | Nanaimo, BC V9T 2L8, CA |
Brand | Master Lock |
Model | 1/2 in. and 5/8 in. Swivel Head Receiver Lock for Class I-IV |
Product Dimensions | 21.74 x 9.53 x 4.01 cm; 408.23 g |
Item model number | 2866DAT |
Is discontinued by manufacturer | No |
Exterior | Chrome |
Manufacturer part number | 2688DAT |
Lift Type | Towing |
Item Weight | 408 g |
Country of origin | China |
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Master-Lock-2866DAT-1/2-in.-and-5/8-in.-Swivel-Head-Receiver-Lock-for-Class-I-IV,-1-Pack,-Black
Purchase options and add-ons
Brand | Master Lock |
Item dimensions L x W x H | 21.7 x 9.5 x 4 Centimetres |
Material | Metal, Rubber |
Style | Trailer Hitch Lock |
Colour | Black |
Number of pieces | 5 |
Finish type | Black |
Included components | Two Keys, Two Pins, One Locking Swivel Head |
Shape | Cylindrical and Rectangular Prism |
Item weight | 0.9 Pounds |
About this item
- Fits 5/8" and 1/2" Diameter Receiver Holes
- Swivel Head allows for access to keyway in tight spots
- Fits both 5/8" & 1/2" diameter reciever holes
- 2 1/2: long
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Top Brand: Master Lock
From the manufacturer

Product description
This Master Lock Swivel Head Receiver Lock is 2-1/2" long and fits 5/8" and 1/2" diameter receiver holes. The swivel head allows for access to keyway in tight spots.
Product information
Technical Details
Additional Information
ASIN | B0009V1WS4 |
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Customer Reviews |
4.4 out of 5 stars |
鶹 Rank |
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Date First Available | Nov. 8 2010 |
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This Item ![]() Master-Lock-2866DAT-1/2-in.-and-5/8-in.-Swivel-Head-Receiver-Lock-for-Class-I-IV,-1-Pack,-Black | Recommendations | |||||
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Price | $34.04$34.04 | $27.99$27.99 | $54.99$54.99 | $73.05$73.05 | -21%$34.00$34.00 Was: $42.90 | $23.94$23.94 |
Delivery | — | Get it by Monday, Aug 11 | Get it by Monday, Aug 11 | Get it by Monday, Aug 11 | Get it by Monday, Aug 11 | Get it by Wednesday, Aug 13 |
Customer ratings | ||||||
Sold by | 鶹.ca | Elemake | 鶹.ca | 鶹.ca | Rhino USA, Inc. | TheHardwareCityCO |
lock type | — | Key Lock | Key Lock | Key Lock | Barrel Lock | Key Lock |
number of items | 1 | 1 | 1 | 1 | 1 | 1 |
material | Rubber, Metal | Chromed Plating Steel Brass | Stainless Steel | Zinc | Carbon Steel | Stainless Steel |
shape | Cylindrical and Rectangular Prism | Round | Round | Rectangular | — | Rectangular |
finish type | Black | Polished | — | Polished | Powder Coated | Brushed |
Brands in this category on 鶹
Customer reviews
Customers say
Customers like the sturdiness, functionality, and ease of use of the lock. They mention it works excellently, serves its purpose, and is easy to put on and lock. Customers also appreciate the good value for money. However, some customers dislike the key durability, rust resistance, and opinions are mixed on the security.
AI Generated from the text of customer reviews
Customers like the sturdiness of the lock. They mention it's a very good quality and looks sturdy.
"Great product!" Read more
"It seems pretty sturdy. It is also pretty short, so I guess it would be difficult for someone to break it with some kicks...." Read more
"Good product. Works well to keep safe my bike rack when attached to the hitch." Read more
"Horrible - the darn thing rusted and I could not get this off...." Read more
Customers are satisfied with the functionality of the lock. They mention it works excellently, serves its purpose, and fits very well. Customers also say it's useful, great to have, and has a smooth operation every time.
"Works great! After seeing some negative reviews about this lock seizing up, I wasn't sure about purchasing it...." Read more
"Works well I'm sure this is save me from losing my bikes and my hitch many times was I've had to park with my bike my hitch and my bicycles on the..." Read more
"Works, but hard to snap on. I have to insert the key and turn it before the lock snaps fully onto the pin." Read more
"Works very well. Thanks." Read more
Customers find the lock easy to use. They mention it comes with both sized pins, is easy to put on and lock, and has a cover over it. They also say it's much easier to unlock and remove with the swivel head.
"Strong & easy to use" Read more
"Easy to use and secure" Read more
"Works, but hard to snap on. I have to insert the key and turn it before the lock snaps fully onto the pin." Read more
"Simple to use, feel very strong, no problem here...." Read more
Customers are satisfied with the value for money of the lock. They mention it's good and sold.
"...I had to use small files to smooth them. Overall, the set is worth the money." Read more
"good value" Read more
"Good but was a bit hard to push in, had to use key. great for the price." Read more
"Good Price. Good Product. Good service." Read more
Customers like the fit of the lock. They mention it comes with two sizes to lock different hitch receivers.
"Great! Looks sturdy and well thought. And most of all, it fits our bike rack, since it can accommodate and fits both 5/8" & 1/2" diameter..." Read more
"...I bought it to fit a 2 inch hitch for a bike rack. The pin fits and locks so it works as designed...." Read more
"I have mailed back as it did not fit for my bike rack mount and have not received my refund yet... it's been a week!?!! Is it normal??..." Read more
"Good quality, fits. All good" Read more
Customers have mixed opinions about the security of the lock. Some mention it's a good lock with a sturdy mechanism. However, others say it's difficult to lock, especially when it's doing something. Some say the lock is great for hitch security and perfect to secure their bike rack.
"great lock,,best of all I got keys with this one -pay attention AMAZON.ca" Read more
"...thicker metal for the receiver and as a result the shank is too short to lock securely...." Read more
"It is a secure lock" Read more
"At first eveyrthing moved really well and the lock worked great for the first 3 weeks I had it...." Read more
Customers are dissatisfied with the durability of the lock. They mention that the key broke in the first attempt, ended up breaking both keys, and had something inside that prevented the key from entering. Some say the keys don't work in the lock and they can't remove the key if the lock isn't sealed.
"...I broke/twisted the key when try turning it. Lock cover was useless. I wont recommend it." Read more
"The material is very cheap. The key it's stuck and we couldn't even use the product...." Read more
"...Used different penetrating fluids to try and free the lock. Ended up breaking both keys and had to use a grinder to cut it off. Worst lock ever." Read more
"After a few months using this hitch lock the key won't go in to the lock so I can't unlock it...." Read more
Customers are dissatisfied with the rust resistance of the lock. They mention it rusted very badly, corroded in the key hole very quickly, and the pins were so corroded that they weren't able to move any of them.
"JUNK - rusted so badly key would not open. Could not remove to use my tow bar. Had to take it to garage and have it cut off. (6) months - one winter" Read more
"Horrible - the darn thing rusted and I could not get this off...." Read more
"...I tried to pick it and again the pins were so corroded I was not able to move any of them...." Read more
"This product rusted very bad within 3 months of being on truck had to take off it was embarrassing to look at on my vehicle." Read more
Reviews with images

A must have !
Top reviews from Canada
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- Reviewed in Canada on October 16, 2024Verified PurchaseStrong & easy to use
- Reviewed in Canada on June 16, 2025Verified Purchasegood
- Reviewed in Canada on July 21, 2021Verified PurchaseI gave this product four stars only because of the lack of over all sturdiness. I bought it to fit a 2 inch hitch for a bike rack. The pin fits and locks so it works as designed. The rack I bought came with a pin and part that took care of the slight 'wobble' of the rack when inserted into the hitch hole. I changed it up b/c I wanted a pin to lock (instead of needing a socket wrench to take the other pin out). So far, the pin locks the bike rack (as a whole) to the hitch (comes with two keys). I did not need both pins though so that was simply a choice on my part (not like my hitch is going to change size suddenly that I will need a smaller pin...and only one lock for both pins, so...). On the other hand, it is illegal to drive around with a bike rack all the time (blocks vision of the license plate in general), however this accessory seems to be tolerated when it's obvious bikes are in tow.
- Reviewed in Canada on July 4, 2024Verified PurchaseThis pin lock is easy to use and looks to be well made. Has been on and off the truck a few times now and looks no worse for wear. Feels like it would be a pretty good deterrent to trying to remove the hitch.
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Reviewed in Canada on September 3, 2024Verified PurchaseFonctionne super bien.
Je n'avais besoin que du master lock.
- Reviewed in Canada on May 18, 2025Verified PurchaseDo NOT purchase this lock. The keys that came with the lock do not turn in the lock cylinder. I attached this lock to my hitch receiver and could not remove my hitch after dollying off my Jayco travel trailer. I had to cut the pin off with an angle grinder!
- Reviewed in Canada on October 3, 2022Verified PurchaseSmooth operation every time. Even though there’s a cap over the keyhole to keep the elements away, I’d lube the lock often. Especially during the winter months when they salt our roads. If you want it to last, store it away from elements when not in use.
- Reviewed in Canada on August 11, 2020Verified PurchaseSimple to use, feel very strong, no problem here. Based on some other reviews I would NOT recommend to leave this lock installed on the hitch outside all the time. I will keep mine inside the truck in a bag and use it only when needed. Once the towing duty is done I always remove the receiver anyway, so the lock will follow and stay away from the weather and hopefully will last longer.
Simple to use, feel very strong, no problem here. Based on some other reviews I would NOT recommend to leave this lock installed on the hitch outside all the time. I will keep mine inside the truck in a bag and use it only when needed. Once the towing duty is done I always remove the receiver anyway, so the lock will follow and stay away from the weather and hopefully will last longer.
Images in this review
Top reviews from other countries
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Achille negiaReviewed in Italy on April 4, 2025
5.0 out of 5 stars Ottimo
Verified PurchaseArrivato prima del previsto direi molto buono
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RomanReviewed in Germany on April 14, 2022
1.0 out of 5 stars Schloss konnte nach einem Winter nur noch aufgebohrt werden
Verified PurchaseSchloss hat sich nach nur einem Winter trotz der Gummi-Abdeckung nicht mehr öffnen lassen. Nach viel WD40 und langem hin und her hat sich der Schlüssel endlich wieder ins Schloss stecken lassen.
Aber das Schloss hat sich nicht mehr drehen lassen. Weder klopfen noch mehr WD40 noch sonst irgendwas hat geholfen. Nur noch der Bohrer der wie Butter durch das Schloss ist..... Keine Ahnung was da an Material verwendet wurde, gefühlt war es Kupfer und Alu.... Deswegen hat sich vermutlich auch nichts mehr gangbar machen lassen.
Also absolut keine Kaufempfehlung, außer man lagert das Schloss im Winter und wenn es Nass is drinnen.
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AHMEDReviewed in Saudi Arabia on December 25, 2023
5.0 out of 5 stars انصح بها
Verified Purchaseقوية
سهلى الاستخدام
بها مقاسين