Plunge blade features seven lockable positions This multi-tool plunge blades unique design includes seven lockable positions to give you the best angle for your project! Aggressive teeth per inch allow you to make high speed cuts in aluminum, copper, brass, steel, wood, drywall and most plastics with ease. Features include a reduced shank for easier curve cutting and to clear wood chips faster making this a great plunge blade for making the most of your multi-purpose power tool. Features: 1. Aggressive teeth make high speed cuts in aluminum, copper pipe, brass, nails, wood, drywall and plastic 2. Bi-metal blade material can cut metal 3. Reduced shank makes easier curve cutting and clears wood chips faster for less burning and stalling