•GREATER WEAR RESISTANCE – A 6 x 25 IWRC (Independent Wire Rope Core) classification for wire rope slings offer large outer wires that provide a balance between fatigue and wear resistance. All slings are manufactured in a certified ISO 9001: 2015 facility. Two Leg Wire Rope Bridle Sling, 5/8 in dia, 20 ft Length, Bolt Anchor Shackle, 6.•THIMBLE AND BOLT ANCHOR SHACKLE – Best for permanent or long-term installations where the load may slide on the shackle pin.