An economical set of pulleys for experiment with light to moderate loads. Incorporating 50 mm diameter plastic pulleys carried in tough plastic frames on free running central axles. The blocks are available in single, double sheave and triple sheave. The central axle pin can be conveniently removed from the frame, providing easy disassembly thus releasing the pulleys. A simple locking system prevents the axle pin from accidentally coming out. All blocks have a hook at either end for suspension and loading. Overall length of frames is about 90 mm. 

M13532/1 Single       

M13532/2 Double Sheave (Parallel)     

M13532/3 Triple Sheave (Parallel)