The DeWalt 6.5 Amp Variable Speed Top-Handle Jig Saw (DW331K) incorporates a lever action key less blade change and an innovative flush cutting blade system to allow for less down time and the ability to complete flush cuts without the need for up cutting. With its 4-position orbital operation, you can choose smooth or aggressive cutting depending on the application. The jigsaw features a variable speed of up to 3100 SPM for optimal cutting speed during all applications.