Locking C-Clamp with Regular TipWide-opening jaws provide greater versatility in clamping a variety of shapes. 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. 18DR Extended Throat Width. Jaw Opening: 0 in [Min], 8 in [Max]; Material: Alloy Steel; Mechanism: Adjustable Mechanical Locking; Overall Length: 18 in; Packing Type: Carded; Throat Depth: 9 1/2 in; Weight: 3.10 lb.