The Arbortech AS200X Quick Switch Plunge Blades are used for plunge cutting bricks and mortar. Theyre designed for single brick removal and deep square masonry cutting without overcutting in corners. Suitable for mortar, soft to medium hard brick, aerated concrete block, limestone, fiberboard, weatherboard, composites, etc this blade set is perfect for dealing with single brick removal, installation of electrical boxes, vents, and more. The blades can be easily resharpened, and feature tungsten carbide teeth. In fact, these blades can be used in a huge range of applications such as Raking out purp-joints for re-pointing and brickwork repair Fast single brick removal, removes bricks with-out damaging the brick, enabling you to reuse the bricks Damp proof membrane replacement Fitting cavity trays and weep holes Raking out for lead flashings Chimney work, removing brickwork to gain access into the chimney flue, e.g installing flue liners Cutting out expansion joints in brickwork Cutting out for electrical boxes, shower valves and pipework Cutting out for bonding in brickwork Depth 120mm 4 34 Width 7.2mm 932