DOU350RI Oscillating Blade, 3-1/2 in, 1 in D Cutting, Bi-Metal

Diablo's universal fit bi-metal oscillating blades feature application specific designs that deliver maximum durability and longer life when cutting insulation. These high-performance blades feature an ultra-hardened cutting edge to deliver up to 5X longer life than standard blades. The serrated blade provides faster, cleaner cuts in insulation. Curve contact edge creates a pilot for precise, clean plunge cuts with less vibration. The blade's universal fit, adapter-free design easily attaches to most tools except for Starlock.