Manfrotto 042 Extension Arm with 013 Stud - Replaces 2906 (Black)
This Manfrotto Extension Arm With 013 Stud is designed to fit into a Super Clamp 035 socket. Attachment: type 1 + spigot art.013 female; color: black; gravity cast; length: 7.68 in. load capacity: 17.64 lbs.; material: aluminum; weight: 0.46 lbs.

Manfrotto 035 Super Clamp without Stud - Replaces 2915 , Black
This is an Ideal clamp for many photographic applications. Utilizing an ergonomic lever to securely lock clamping position, it clamps easily and securely. This replaces the Manfrotto 2915. Attachment (bottom): 16mm hexagonal + M5 & 1/4" threads; clamp range - max. (round tube): 2.17 in.; clamp range - min (round tube): 0.51 in.; color: black; load capacity: 33.07 lbs.; material: aluminum; weight: 0.90 lbs.