Irwin 25ZR Vise-Grip Locking Welding Clamp, 9"Highlights: Size: 9" length Throat depth: 1 3 4" Jaw capacity: 1 5 8" Jaw depth: 1 3 4" Jaw Width: 2 3 4" For use in welding applications or for holding awkward shapes in place U shaped jaws provide enhanced visibility and more working space Turn screw to adjust pressure and fit work Constructed of high grade heat treated alloy steel for maximum toughness and durability Guarded release trigger quickly unlocks and protects from accidental release