This Wilton® Pivot Jaw Woodworker's Vise features rapid-release action that speeds removal of the workpiece from the vise jaws. The front jaw pivots to accommodate irregularly shaped pieces. Heavy-duty ductile iron construction is designed for the professional craftsman or shop. The front jaw moves vertically 9/16in. to act as a full-width dog. The pivoting jaw is removable to provide more capacity. Available in 4in. x 7in. or 4in. x 10in. jaw width. Limited lifetime warranty.