Triple spur gear chain pulley block Model-SP(Spark proof)      
Tested as per ISI procedure for 50% over load    Double ball bearing supported load wheel
Assured safety    Smooth operation
Grade 80 load chain & zinc plated hand chain    Precision machine case hardened alloy steel gears
Longer chain life    Long life, noiseless operation
Rugged German design, in use for more than 30 years    Non-ferrous parts like chain wheels, chain guides, ratchet wheel and stripping fork
Assured reliability    Eliminates spark generation possibilities during rubbing of mating components