It's for both indoor and outdoor events, these lighting clamps are designed to withstand the rigors of professional use. The aluminum alloy construction offers a lightweight yet sturdy solution for mounting lights. The included safety ropes ensure that lights remain securely in place, providing peace of mind during performances and events. These clamps are a must-have for any . Features -Color:Silver -Material:Aluminum alloy,Steel -Size:9.00X6.70X2.50cm/3.54X2.63X0.98in -Size:70.00X2.50X0.50cm/27.51X0.98X0.20in -Robust build: constructed from aluminum alloy and steel for exceptional durability and loadbearing strength -Safety rope: includes an antifall rope to secure lighting fixtures and prevent accidental drops -Versatile applications: It's for stage lighting, weddings, and various performances, catering to different needs -Easy to install: designed with a single buckle for fast and straightforward setup and removal -Universal compatibility: works with a wide range of lighting equipment, such as moving head lights and stage lights Package list: 3 x truss light hook 3 x anti-fall rope