The Duck Bill Clamp is great for holding items such as foamcore, reflector boards, flags, and bounce cards. The quick set-up clamp allows for clamping onto flat surfaces quickly. Features a 7" Duckbill Plate Metal Jaw and clamps flat items up to 4.5" thick. The steel baby stud welded on the clamp has an embossed neck design to be firmly fixed on the baby receiver or a grip head.