MO-Clamp 1320 Slim Line Sill Hook - Use this new hook from Mo-Clamp to pull front hinge pillars, center pillars posts, rear hinge sections or any location where you need a broad, thin pulling surface. Made from Mo-Clamp Tru-Tuff© drop-forged, heat-treated alloy steel with a pulling capacity of a full 4 tons. Heavy duty eye nut allows easy connection with Mo-Clamp chain and slip hooks.