4" x 4' Endless Twin Path® High Performance Roundsling Vertical Cap: 25,000 lbs. Flat Head Blue Concrete Screws The 6x19 class is one The 6x19 class is one of the most widely used wire rope constructions due to its ability to withstand abrasion while maintaining functional flexibility Certified Clamp for Controlled Vertical Lifting and pair your sling with a properly rated wide body shackle such as the Crosby® G 2160 Bolt Type Wide Body Shackle or Van Beest Green Pin® P 6033 Wide Body Sling Shackle A 4 inch endless HMPE sling steps up the capacity range while keeping the same continuous loop design that lets you rotate the contact point as it wears