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, external installation truss half connector
Size: 50 * 50 * 45CM
Supervisor material specification: 50 * 50 * 3MM square tube
Pulley specifications: diameter 60 * 30 thick
Number of pulleys: 16PCS