ORW2057 Features: * Simple push or pull on the center bar knob sets the jaw in position * Easy press locking lever cams the jaw ahead 3/32"", existing a holding pressure that is adjustable from 400 to 1100 lbs * Recessed parallel steel jaw inserts level work, and can be removed to accommodate your jig and fixture components * The base is designed for clear through drilling applications * For added durability, bars and locking mechanisms are hardened and ground * The unique top locking lever can be raised or lowered to tighten or loosen against the workpiece * Jaw Material: Steel * Material: Cast Iron * Locking Type: Cam Locking Mechanism * Type: Drilling Vise * Price is for 1 Each