Doughty 3'' Hook Clamp Swivel Couplers you will need a control

you will need a control cord of the appropriate length

Weight: 1 lbs 10

which are sold separately

which includes both Swivel and 90 Degree Fixed Couplers

Doughty 3'' Hook Clamp Swivel Couplers you will need a controlDoughty 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