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. Stays adjusted for repetitive use. Constructed of high-grade heat-treated alloy steel for maximum toughness and durability. Guarded release trigger quickly unlocks and protects from accidental release. Throat depth is 1-3/4 in, jaw capacity is 1-5/8 in and jaw depth is 1-3/4 in.