Double Folding Hook:
1: Aluminium;2 for 38-51mm truss;3 bearing weight:200kg;4: 10 hole: 6*9 for moving head light, led par light, led par can, disco light, DJ gentle and many others FoldingHook:1: Aluminium;2 for 40-60mm truss;3 bearing weight:200kg;4 size: (105-115mm)*(105-115mm)5 for shifting head light, led par light, led par can, disco light, DJ light and so forth