Rotary Compact Rigging Block 1/2" By ISC

Compact 1/2" Rigging Block by ISC. Easy one hand operation. Spring-lock open/close mechanism. Breaking strength of 85kN (19,000 lbs) and work load limit of 17kN (3,800 lbs). This ISC rigging block is green in color and uses 13mm (1/2") rope.