Dremel MM400E Edge-Series Oscillating Starter Kit with 2 Cutting Blades and 1 Adapter Wood and Metal Flush Cut Blade: Bi-Metal teeth optimized for fast cutting in wood and metal materials Wood Flush Cut Blade: High carbon steel teeth optimized for fast cutting in wood and plastic materials Rigid Adapter Plate: Firmly holds blade in place while cutting Fast Blade Change: Loosen screw to change accessory Universal adapter interface to fit most competitive brands in the market