Ercole M11-060 Spring Clamp with 5/8″ socket and 3/8″-16 female thread

Manfrotto 635 Clamp Super Quick Action TUV 13/55mm 15kg Payload 16mm hex socket.

The Rock Solid Pony “A” Spring Clamp 1″ in non-reflective black with coated handle and Tip features spring-operated jaws that hold a variety of material efficiently and securely.

Manfrotto 386B-1 Clamp Nano 4kg payload Diameter 13-35mm.