ISC 5/8" SMALL BLOCK by ISC Save 10% Original price $229.95 Current price $206.96 SKU KRP-051 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart High tech aluminum alloy construction to be used with 5/8” rope. Loosen knob to insert eye of your sling or of your workline. Rounded edges to reduce rope wear.MBS: 100kN (22,500 lbs)