Mo-Clamp 1850 Inline Slider Clamp (5-Ton Capacity). New generation of Mo-Clamps. Self-tightening. Made of heat treated Tru-Tuff steel alloy. Grabs on to flanges and provides a sure grip while pulling "in-line. Finger grips are cast into the tool to provide easy handling while positioning the clamp. Specifications: Gripping surface - 3", Overall length - 7", Capacity - 5-tons.