Length:Approx.5.1cm/2inch.Color:Black.<br> Heavy duty muslin clamp with firm grip.Used for clipping paper,canvas and muslin backdrops to a crossbar.<br> Small teeth on the inner diameter hold muslin cloth or paper backdrops in place for photo work.Essential Item in Any Studio Setup.<br> Strong spring clamp and the rough surface enable itself to clamp anything onto the stand tightly.<br> Package Included:10 pcs Backdrop Clamps Clips