Faster setup and additional locking force compared to other locking tools. Wide jaws provide more clamping versatility on variety of shapes and surfaces. Screwdriver through-hole provides you with leverage for tightening the thumb screw. Hardened jaws with better grip force on jobsite material. Forged alloy steel construction gives you strength and durability. Rust protection increases tool life by reducing corrosion. Ergonomic handles with anti-pinch design. Limited Lifetime Warranty