Koch Industries Double Ended Bolt Snap, 3-1/2-Inch, Nickel Finish Designed for use with rope, chain, straps, animal leashes and other home, farm and recreational applications The classic snap hook - made more versatile with double-end hooks Used for tie-downs, lifting and securing wires, ropes or cables Maximum load of 70-pounds Spring-loaded bolts provide secure closure; easy-open thumb lever