Doughty 3'' Hook Clamp Swivel Couplers which includes both Swivel and

which includes both Swivel and 90 Degree Fixed Couplers

you will need a control cord of the appropriate length

This includes both small and large frame models

Weight: 1 lbs 10

Lifts plates from horizontal to vertical position and vice versa through 180º

Doughty 3'' Hook Clamp Swivel Couplers which includes both Swivel andDoughty 3'' Hook Clamp Manufactured from high quality steel, the 3'' Doughty Hook Clamp is simple to use and extremely strong. This is a larger Hook Clamp designed to fit 2. 4'' 3'' diameter bars, making it ideal for a wide range of rigging applications in entertainment and industrial settings. The clamp is available in both standard and heavy duty versions. The heavy duty model, T21810, offers an impressive Safe Working Load (SWL) of 331 lbs, making