Product Overview Universal blade fits all oscillating tools- no adaptor needed Bi-Metal provides 15X extended life when cutting wood w/ nails Cuts soft/hard wood, wood with nails, PVC, Drywalls, metals The Dremel MM494U pipe and 2X4 blade is made for cutting pipe and thick materials such as 2X4 studs. With an extra wide cutting edge, the MM494U adds control and convenience because users can now easily cut PVC, conduit and copper pipe without the blade slipping off of the work-piece. Cuts through a 2X4 can now be done in 1 pass as well. The blade's Bi-Metal construction optimizes the MM494U for metal cutting, so you'll experience no more destroyed teeth if you hit a nail while cutting. The Dual Interface allows its use with the most common oscillating tools in the market without the need of an adapter. Universal dual interface directly fits all oscillating tools without the use of an adapter, excluding StarLock Compatible with Dremel, Bosch, Makita, Milwaukee, Rockwell, DeWalt, Fein, Porter Cable, Ridgid Dremel bi-metal blades in wood with nails provide up to 15X life vs.standard bi-metal oscillating blades in wood with nails Extra-wide cutting edge adds control and convenience Cutting 2x4 and pipes in one pass and with low vibration