Plastic pulleys with wide groove for whip cord mounted in tough, unbreakable plastic frames having hooks at both ends for suspension and loading. The frames are available in single, double sheave and triple sheave. Specially designed central axle pin can be easily inserted and locked or removed for quick assembly / disassembly of the pulley block. A simple locking system prevents the axle pin from accidentally coming out. Overall length of frames about 70 mm. Pulley configurations available are

M13577/1 Single Pulley Block, with 25 mm pulley

M13577/2 Single Pulley Block, with 38 mm pulley

M13577/3 Single Pulley Block, with 50 mm pulley

M13577/4 Double Pulley Block, with both pulleys of 50 mm diameter

M13577/5 Double Pulley Block, with 38 and 50 mm pulleys

M13577/6 Double Pulley Block, with 25 and 38 mm pulleys

M13577/7 Triple Pulley Block, with all pulleys of 50 mm diameter

M13577/8 Triple Pulley Block, with 25, 38 and 50 mm pulleys