Take on challenging remodeling work with the DEWALT general-purpose three-sided oscillating blade (DWA4283) that’s engineered to deliver fast performance. Designed to make plunge and rip cuts in drywall and cut through wood with nails, this durable bi-metal blade features a proprietary three-sided design. With a cutting width of 2-1/8 in (54 mm), this blade is ideal for installing single gang electrical boxes. This three-sided oscillating blade offers tool-free blade changes for convenience and speed on tough jobsites.Make plunge and rip cuts fast in drywall with a proprietary, three-sided blade designMake precise plunge cuts with a chamfered cutting edge designFeaturing a high-speed steel cutting edge designed to withstand repeated nail strikes when working in common construction materialChange blades without the need of an adapter with the Universal Fitment blade connection system