Imperial Blades MM560 - 3 Inch Tapered Sealant Universal Oscillating Cutter. This blade is designed for cutting caulk, silicone and soft putty. Removes sealant from tiles and marble. Cuts caulk with ease. From 3/8 inch width at point to 1 1/8 inch wide at end of taper x 3 inch depth. Made from stainless steel.