... mm (Approx.) dia, mounted in metal frame with two hooks. Aluminium Pulley in Aluminium moulded frame Pulley Double in LineTwo Pulleys 40 and ... mm(Apporx.) dia, mounted in metal frame with two hooks. Aluminium Pulley in Aluminium moulded frame.Head-quartered in Shenzhen, P. R. China ... electronic whiteboard, language lab, sensor-based products, etc. Pulley, Double in Line (aluminum)