ARTC1002 Features: * Plunge blade * High-precision cutting of square holes without overcutting corners * Suitable for mortar, soft to medium hard brick, aerated concrete block, limestone, fiberboard, weatherboard and composites * Blade features resharpenable tungsten carbide teeth * Ideal for toothing of brickwork, single brick removal, installation of electrical boxes and vents * Used for square and deep precision cuts into masonry walls without overcutting Dimensions: * Overall dimensions: 9"" H x 0.28"" W x 4.75"" D, 1 lbs Collection: * Masonry collection