A handy thing to have in the studio, this Manfrotto Mini Clamp attaches to tubes giving a 16mm attachment point. This replaces the Manfrotto 2940. Attachment (bottom): 16mm; clamp range - max. (round tube): 1.38 in.; clamp range - min (round tube): 0.20 in.; color: black; load capacity: 2.20 lbs.; material: aluminum; weight: 0.35 lbs.