These stage lamp hooks are essential and important stage light accessories. Applicable for moving head lamp, LED lamps, LED effect light and other stage lighting fixtures. workmanship ensures practicality and durability. Features -Color:Assorted Color -Material:Iron -Size:12.00X7.00X2.50cm/4.72X2.75X0.98in -Fits truss: 30-40mm - Iron material: Made from iron, these stage light clamps are sturdy, and not easy to break or deform - Keep the lights secure: These clamps can fit the stage truss perfectly and can keep the lights secure as it has the adjustable knob - Easy to install: The clamp is quick and easy to install, remove or re-position, which is very convenient and practical - Stability and security: It can be completely fixed around the truss to make sure the stability and security of the stage lights - Strong bearing ability: the clamp is safe and important for some stage light installation use Package list: 2 x hooks