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NEEWER 30"/76cm Horizontal Tripod Center Axis with 3/8" Screw, Aluminum Alloy 360° Rotatable 180°Vertical Adjustable Tripod Extension Boom Arm for Camera Macro Overhead Photography (Load up to 22lb)

INNOREL ER362C Universal 10 Layers Carbon Fiber Tripod Center Column Extension Pole Extender-Tripod Two-Section Mid-Column Extension Rod Pole for Tripod Monopod DSLR Camera 36mm Big Tube

Koolehaoda Tripod Extension Arm,16.5" / 42cm Horizontal Center Column Tripod Extension Arm 360° Rotating Base for Overhead Photography, Macro and Low-Angle Shooting, Load up to 10kg - (VH-40)

INNOREL ER222C Universal Carbon Fiber Tripod Center Column Extension Pole Extender - Two-Section Mid-Column Extension Rod Pole for Monopod DSLR Camera - 22.2mm Max Tube

MINIFOCUS Tripod Extender, 2 Section Center Columns, 23.4" Alloy Aluminum Telescopic Stick Rod with 1/4" & 3/8" Screw, Compatible with Tripod/Gimbal/Camera, Max Load 33lb

Koolehaoda Camera Monopod 40inch Tripod Extension Rod, Aluminium Center Column Gimbal Extension Pole Telescopic Stick Rod for Tripod/DSLR Camera, LR-224

INNOREL ER322C Universal 10 Layers Carbon Fiber Tripod Center Column Extension Pole Extender-Tripod Two-Section Mid-Column Extension Rod Pole for Tripod Monopod DSLR Camera 32.5mm Tube

Koolehaoda Tripod Extension Arm 41" Retractable Horizontal Center Column 360° Rotatable 180°Vertical Adjustable Tripod Boom with Sandbag for Camera Macro Overhead Photography, Load Up to 15kg

Andoer Camera Extension Pole - Extendible Tripod Center Column Shaft, Aluminum Alloy Mono Pole Extension Tube, Carbon Fibre Centre Column

Leofoto DC-364C Carbon Fiber Center Column, for 70mm Bowl Tripods

25mm / 32mm / 40mm Tripod Center Screw For Theodolite And Total Station Tripod, For Stable Leveling Measurements, Surveying Tripod Connectors, Theodolite Mounting Accessories(33mm)

GC-364C Geared Center Column for Leofoto LN-364C LM-364C LM-365C LM-363C LM-362C Systematic Tripod

Manfrotto 556B Leveling Center Column with 50mm Leveling Ball for 190PRO Tripod

Manfrotto 555B Leveling Center Column with 50mm Leveling Ball for 055PRO Tripod