Attach small light fixtures or other items almost anywhere with this Manfrotto Mini Spring Clamp. This is designed to clamp onto bars up to Ø 35mm. It can be mounted also on 16mm extension arms. This replaces the Manfrotto 2891. Attachment (bottom): type 17; attachment 2: type 1; clamp range - max. (round tube): 1.38 in.; clamp range - min (round tube): 0.20 in.; color: black; length: 4.21 in.; material: steel; weight: 0.24 lbs.