This version of Manfrotto's famous Superclamp has been specially designed to hold your binoculars, With a secure grip, you can mount your favorite glass to any tripod. - Special Order Attachment (bottom): 16mm hexagonal + M5 & 1/4- Inch threads; clamp range - max. (round tube): 0.51 in.; clamp range - min (round tube): 2.17 in.; color: gray; load capacity: 33.07 lbs.; weight: 0.55 lbs.