Columbus McKinnon 640 series puller, features a heavy duty design for pulling, lifting, dragging and stretching construction and industrial applications. Tough aluminum alloy construction w/ 10' chain & hook and (2) extension chains 4'& 8' w/ hooks. Also comes with 2"x 10' 4000kg. nylon sling. Free wheels for fast and easy attachment to load. Listed at Acklands-Grainger for over $1000. $150. firm