Stanley 83-027 18-Inch Bailey Clutch Lock F Clamp 18-inch clutch lock F clamp designed for heavy-duty clamping and spreading applications Both jaws can be positioned anywhere along bar; removable bar design integrates longer or shorter bars Heavy-duty "I" beam bar resists twisting and bending; corrosion-resistant finish Extra-large clutch plates release from top or bottom; hole in jaw face for shims or other accessories 3-inch clamp size; 18-inch overall length; limited lifetime warranty