The 200X Quick Switch Plunge Blades are used for plunge cutting bricks and mortar. Designed for single brick removal and deep square masonry cutting without overcutting in corners. Depth: 120mm (4 3/4”) Width: 7.2mm (9/32”) What's Included: 2 x 200X Plunge Blades Only for use with the AS200X and BA200X To purchase the AS160, AS170 and AS175 Plunge Blade click here .