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 :
Table-clamp light - Practical & does not take up room | pib
Lighting Clamps - GreenKit Film Lighting Hire
Lighting Truss O Clamp 50mm – DJ Supplies Sound and Lighting Ltd