Take on challenging applications with the DEWALT® General Purpose 1-1/4 in. PlungePoint™ Oscillating Blade (DWA4258). Designed to deliver up to 7X the life when cutting through framing nails*, this blade is engineered with a PlungePoint™ tip for quick and precise plunge cuts. The DEWALT® General Purpose 3-Sided Oscillating Blade (DWA4283) features a proprietary 3-sided design for making plunge and rip cuts in drywall and for cutting wood with nails. With a cutting width of 2 1/8 in. (54 mm), this blade is ideal for installing single gang electrical boxes.*DEWALT 1-1/4" PlungePoint™ Oscillating Blade (DWA4258) vs Previous Generation DeWALT 1 ¼” Bi-Metal Oscillating Blade DWA4203 Cutting Nail Embedded Wood.