"The Wilton Cam Action Drill Press Vise features an easy-to-use top locking lever that can tighten or loosen against the workpiece, exerting 400 to 1100 lbs. of holding pressure. Mount Type Stationary, Material Steel, Jaw Capacity in. 8 3/16, Handles qty. 2, Jaw Length in. 8. Simple push or pull on the center bar knob sets the jaw in position Easy press locking lever cams the jaw ahead 3/32in., exerting a holding pressure that adjusts from 400 to 1100 lbs. Base is designed for clear through drilling applications Unique top locking lever can be raised or lowered to tighten or loosen against the workpiece 8in. jaw width 8 3/16in. jaw opening 2in. jaw depth"