Ercole M11-078A Cardellini End Jaw Clamp 20cm with 5/8″ pin and hex socket 50mm opening

The Manfrotto 043 Sky Hook Adjustable Gaffer Clamp is a lightweight gaffer clamp, with adjustable jaws to handle tubes from 1″ to 2-1/2″. Features one fixed 5/8″ stud, and one 5/8″ socket with double-ended 3/8″ to 1/4″ spigot.