Pony Jorgensen 4' Gear Clamp

4-Inch Jorgensen Gear Clamp Information JORGENSEN 38004 Gear Clamp has a distinctive 'power bar' design which allows for rapid action clamping. With a quick push on the 'power bar' the gear clamp develops up to 600 lbs. of clamping force. The handy quick-release button releases the clamp instantly. The lightweight and rapid action is ideal for projects which require constant use of clamping and unclamping. Opening capacity is 4 inches. Throat depth is 3 inches and steel bar size is 1/4' X 3/4'.