GreatNeck SBC36 Steel Bar Clamp, 36 Inch Light Duty, Quick Action 1/4 Inch x 3/4 Inch Steel Shaft for Strength and Durability Malleable Iron Jaws for Secure Grip 2-1/2 Inch Minimum Depth Opening Light duty with quick action, malleable iron jaws 1/4-Inch x 3/4-Inch steel bar with a 2-1/2-Inch minimum depth opening GreatNeck limited lifetime warranty Valuable addition to any craftsmen's collection