The all-metal Convi Clamp with Adjustable Handle supports loads of up to 44 lbs (20 Kg)! It features a hexagonal receiver that accepts dozens of Convi accessories from a simple stud to the versatile Max Arm to mount almost any light fixture, camera or accessory. This clamp has a ratcheted handle that allows you to reposition it should you not have clearance to rotate the handle in a complete circle to tighten or loosen it. Lightweight alloy construction. Stainless steel bolts. Available in stealthy black or silver alloy finish.