Brand new and high quality Features: This universal photo studio cantilever wheel light stand grip clamp adds versatility to any light stand. Durable material ensures maximum strength and longevity. Features 4 holes of varying diameters for locking boom arms and stands of different sizes. Easy to install and remove. Connects a boom arm to a light stand and adjusts height, angle, and other positioning. Perfect for portraits, studio work, photography, and video. Grip for Head only, other accessories demo in the picture is not included! Specification: Material: ABS Type: Accessories Color: Black Total length: 105mm/4.13in Jack diameter: 20mm(0.79in), 22mm(0.87in), 25mm(0.98in), 28mm(1.10in) Quantity: 1 Pc Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Grip for Head