Measures 3" x 1 5/8" x 5 1/2". Black aluminum construction including screw. Injection-molded, glass-reinforced nylon thermoplastic resin clamp head and knobs. Fits any device with a 1/4-20 tripod socket. Attaches to round or flat objects up to 1 1/2" thick. Positions device at any angle. Maximum safe load: 6 lbs. Allows a camera to be solidly attached to a rolled down car window, bicycle handlebar, picnic table or other similar object. Strong enough to support most cameras, spotting scopes and camcorders. Weight: 5.5 oz. Hang packaged.