Self-Tightening. Its 11/2" (39 mm) throat  clearance, on the Mo-Clamp C Clamp, fits over a flange or frame horn, or around a lip to pull from behind. Original wedge. Original straight cut tooth design.

• Gripping Surface: 2" wide (50 mm), ⅝" deep (16 mm)
• Overall Length: 8½" (215 mm)
• Weight: 7 lbs (3.18 kg)
• Capacity: 5 tons (5,436 kg)
• Heat Treated Steel.
• ABTM part number: 2518

Made in the U.S.A.