The Cheese Claw Buckle Extension is selected from aluminum, ensuring wear resistance, durability, and long use 20mm slide clamp; Cold shoe interfaces, external expansion Equipped with a locking screw for a stable connection during use Standard Clip adjustable from 19mm/0.75inch to 26mm/1.02inch, ensuring compatibility with stabilizers, camera cages, and sliders With antislip mechanism, wonderful for secure attaching external accessories like microphones, monitors, video light.