MB1H1I1J Versa-Tool 3-inch Oscillating Universal saw blade kit. 1 – Versa-Tool 3-inch Bi-Metal Blade Round is to produce precise cuts in wood with nails ideal for drywall and plaster materials. Cut cut the holes in the ground for ventilation, repair of damaged floors and openings for electrical boxes. The blade may be used for cutting metal materials such as copper, tin, aluminum, and nails are used. The circular design allows for better control and stability while ripping and cutting materials. 1 – Versa-Tool 3-inch bi-metal blade is semicircular for making precise cuts in wood with nails ideal for drywall and plaster materials. Applications include cutting holes in the ground for ventilation, repair of damaged floors and cut open