MFL C226 330lb Stage Light Clamp C Clamp Trigger Clamp Load Capacity Aluminum Truss Clamp for DJ Lighting Truss (4 pcs) TUV Rheinland certified stage lighting clamps safe to use. Heavy duty aluminum alloy stage clamps for long lasting durability;Load Capacity: 150kg / 330lb. fit size 48-51mm/1.89-2inch Quick and easy to attach, remove or re-position of your light with ease. Completely wrap around the truss for extra security and stability. Great for stage lighting, dj lights pack and most party lights.