Fangrui Product Details Multidevice Compatible And More Stable. Lightweight And Portable: This Clamp Is Lightweight, Making It Easy To Carry For Onthego Photography Needs. 33mm Clamping Distance, No Matter Desktop, Railings, Branches, Can Be Firmly Clamped. Enlarged Locking Knob Large Knob Can Easily Fix The Bracket And Ensure Stable And Firm. Increase The Contact Surface Of The Card Piece Nonslip Groove Design Card More Stable. Multiple Ways To Use With The Head Or Magic Arm, Can Be Connected To More Equipment To Use. Adjustable Aluminum Alloy Clamp:crafted From Robust Aluminium Alloy, This Clamp Ensures Durability And Flexibility For Diverse Mounting Needs Universal Compatibility:designed For Universal Use, This Clamp Fits A Wide Range Of Photographic Equipment With Ease. Colour: Black Material:aluminum Alloy Size:l Note: Installation Guide Not Included, We Strongly Recommend You Seek Professional Installation. Please Check As Much As Possible To Make Sure The Item Is What You Need. Due To Different Batches, There May Be