Features:1. 2.5"(6.5Cm) Photography Muslin Backdrop Clamps,Maximum Opening: 1"(2.5Cm) Mouth.2.Ideal For Photo Video Studio & Home Or Office.3.Small Teeth On The Inner Diameter Hold Muslin Cloth Or Paper Backdrops In Place For Photo Work.,Essential Item In Any Studio Setup.4.Combine Ergonomic With Advanced Technology To Provide Comfortable Grip To You.Specifications:Color: Blacklength: 2.5"/6.5Cmmax Opening: 1"/2.5Cmpackage Including:10 X Backdrop Clamps