B1 series is a standard lift block where the block-house is cast.
SWL: 1 – 6 tons
Wire Diameter: 10 – 16 mm
Outer diameter wire-sheave: 4 “, 6”, 9 “, 12”, 14 “ and 16”
SWL refers to the tension in the wire rope. The blocks can be supplied with the following head-fitting: oval eye, round eye or fork.