From the Manufacturer

The original Super Clamp that has thousands of uses. No camera bag should be without one. The Super Clamp holds just about everything: cameras, lights, umbrellas, hooks, shelves, plate glass, cross bars, even other Super Clamps! And they hold these items to just about everything: poles, posts, tripod legs, pipes, doors, stands, and beams - virtually any support you can get the Super Clamps wide jaws around.

The Manfrotto Super Clamp comes with a black wedge to allow you to mount it to any flat or squared surface (like a table).

Technical Specs:

Attachment
16mm hexagonal + M5& 1/4" threads attachment type

Clamp Range - Max. (Round Tube)
2.17 in

Clamp Range - Min. (Round Tube) 0.51 in

Material Aluminum
Load Capacity 15 kg • 33.07 lbs
Weight 0.41 kg • 0.9 lbs

Product Description

The original Super Clamp that has thousands of uses. No camera bag should be without one. The Super Clamp holds just about everything: cameras, lights, umbrellas, hooks, shelves, plate glass, cross bars, even other Super Clamps! And they hold these items to just about everything: poles, posts, tripod legs, pipes, doors, stands, and beams - virtually any support you can get the Super Clamps wide jaws around. This clamp replaces the Manfrotto 2900.
Manfrotto 035RL Super Clamp - Standard Stud - Wedge Insert - Manfrotto 2 Year Warranty (Additional 3 Years with Online Registration)
Manfrotto 035RL Super Clamp with Standard Stud