This multi purpose 4″ & 6″ aluminum buckle can be used as a floating shackle; strap shortner and lifting ring. 4″ Buckle and PinThe 4″ buckle and pin is designed primarily to be used with the Cruse Loop Recovery Strap as a multi-purpose strap shortening device. A versatile recovery tool made from high strength machined aluminum and provides adjustment of straps to a precise length. It also serves as a load equalizer and floating shackle when winching. Tailboard transformer comes included. Working Load Limit 10,000 lbs. Ultimate Load 40,000 lbs. Design Factor 4:1 6″ Buckle and PinThe 6″ buckle was designed primarily to be used with the 6″x 36′, 2 ply recovery strap as a strap shortener, load equalizer or as a floating shackle. A very versatile recovery tool made of high strength machined aluminum. It allows you to adjust your straps to a precise length or as a terminator. Pin included with buckle. Working Load Limit 15,000 lbs. Ultimate Load 60,000 lbs. Design Factor 4:1 Design Factor: 4:1For usage with cruse loop recovery strapMade of high strength aluminumProvides Adjustment of straps to a precise lengthTailboard Transformer Included in the 4″ BucklePin Included in the 6″ Buckle