Application: Stage construction
Function: Connect the truss beams, and drive the beams to rise and fall by hoist lifting
Material: aluminum alloy
Structure: built-in pulley
Size: 50*50*45CM
For bolt truss, Suitable for. 290*290mm or 300*300mm
Supervisor material specification: 50 * 3MM
Pulley specifications: diameter 60 * 30 thick
Number of pulleys: 16PCS