Manfrotto 237HD Heavy Duty Flex Arm f/Super Clamp
This Flexible arm gives infinite positioning and is designed to work in conjunction with the SuperClamp system. Attachment: 16mm.; attachment 2: type 18; color: black; diameter: 0.71 in.; length: 21.65 in.; load capacity: 1.10 lbs.; material: brass material; weight: 1.57 lbs.