61 cm. 300 lbs (136 kgs) clamping force. Do more with quick-grip. Features: 1. New quick-change button easily converts clamp to spreader. 2. New removable swivel jaws. 3. Removable non-manning pads. 4. Converts to spreader. 5. I-beam bar for added pressure and reduced bend and flex. 6. One-handed quick release trigger. 7. 300 lbs (136 kgs) of sustained clamping force. 8. 3-3/16 in (81 mm) throat depth Do More with Quick-Grip: Hold-down jig, corner clamp, edge clamp, and more! www.irwin.com. Accessories also available from Irwin. Made in China.