Compact Design: The claw body is 3.46inch/88mm in length. Work for any devices featuring 1-inch rotating ball mounting systems 1-Inch Ball Mount Body: This clamp is precision-crafted, delivering exceptional durability and reliability in the most demanding environments Built to Last: The claw body is featured with TPU-overmolded ball head for superior anti-slip performance and wear resistance, rubber pads ensure a secure grip and protect mounting surfaces Tool-Free Installation & Removal: Designed for quick clamping onto round, square, and irregular rails/rods with outer diameters ranging from 0.78 to 1.97 inches(20MM-50MM) Versatile: Compatible with RAM mounts B size 1-inch ball double socket arm. It is an ideal mounting base for GoPro/Insta360/DJI OSMO Action 6 5Pro 4/AKASO, mobile phones, tablets, digital cameras, monopods, motorcycle, good for attaching to all dual-socket arms GEPULY 1'' Ball Clamp Mount Compatible with Handlebar Rail 0.78'' to 1.97'' in Diameter, Fit for RAM Mounts B Size 1Inch Ball Double Socket Arm Round/Square/Odd-Shaped Bar Bike Motorcycle Phone Holder