30-C SWIVEL SINGLE HOOK PULLEY
28-D BLACK BLOCK ·CAST IRON
28-E BLACK BLOCK ·CAST IRON
29 GALVANISED MALLEABLE IRON (CAST STEEL)BLOCK WITH SINGLE SHEAVE
29-A GALVANISED MALLEABLE IRON (CAST STEEL) BLOCK WITH SHEAVES
30 SWIVEL EYE BLOCK
30-A FIXED EYE PULLEY
30-B SWIVEL EYE PULLEY
41 SINGLE SHEAVE PULLEY·SWIVEL
