Lighting Truss Swivel Coupler Clamps for Lights, Lighting O Clamp Dj Light Pole Clamp Quick Release Dual Head Truss Clamp, Dual Swivel Tube Clamp Two Wrap Around Pipe Clamp Mounting Bracket 30mm-35mm :
Tube to Tube clamp 60mm x 40mm box
101 Short Tee Tube Clamp 26.9mm OD - Size 1 | Scaffolding Supplies Limited