ISC MEDIUM BLOCK by ISC Save 10% Original price $259.95 Current price $233.96 SKU KRP-055 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Stainless steel construction to be used with 3/4” rope. Loosen knob to insert eye of your sling or of your workline. Rounded edges to reduce rope wear.MBS: 178kN (40,000 lbs)