Nylon Lifting Sling Straight Eye & Eye Reinforced Eyes 3" x 10' 3 ply Crosby® G 2140 Alloy Bolt Type Anchor The high security 5 pin cylinder The high security 5 pin cylinder with spool pins is virtually impossible to pick The important takeaway from this classification is that it has more wires per strand than a 6x19 wire rope sling resulting in a finished product that is more flexible and fatigue resistant (it can bend repeatedly without breaking) but not as abrasion resistant During the standard manufacturing process Sling length is measured from the load bearing point of one eye to the load bearing point of the other eye