Cut into plaster, porous concrete and defective tile joints with this half moon blade Add even more versatility to your multifunction power tool with this half moon blade. The blade allows you to cut into plaster, porous concrete and defective tile joints with ease thanks to its brazed carbide grit. The blade locks into one of seven forward positions to help you get the best angle on your cutting project and can be used with or without dust collection. The segmented design (flat side) allows this cutter to completely work all the way into the corners without damaging opposing walls or surfaces. Features: 1. Ideal for removing grout, cutting plastics, wood putty, drywall, cement board, epoxy, glue joints, mortar, masonry and notching ceramic tiles 2. Brazed carbide grit for a long lasting cutting edge 3. Half-moon shape is ideal for corner work