brand new and high quality Features:Universal photo studio cantilever wheel light stand grip clamp adds versatility to any light stand.Strong material ensures maximum strength and durability for long lasting usage.4 different diameter holes for locking different sized boom arms and stands. Easy to install and removal. Connects a boom arm to a light stand and adjusts the height, angle, and other positioning.Perfect for portraits, studio, photography and video. Grip for Head only, other accessories demo in the picture are not included Specification:Material: ABSType: AccessoriesColor: BlackTotal Length: 105mm/ 4.13inJack 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. plz 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