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This DEWALT® scroll saw has a unique arm design that keeps the blade perpendicular to your work, dramatically reducing over or under cutting. Amps: 1.3, Stroke Length (in.): 3/4, Variable Speed: Yes, Blade Size (in.): 20, Bevel Capacity (deg): 45, Works With: DEWALT Scroll Saw Stand 400-1750 SPM 2in.D cut Double parallel-link arm reduces vibration and noise for extremely accurate cuts Exclusive tool-free blade clamps for quick blade changes On-off switch, flexible dust blower and blade-tensioning lever located on front upper arm for convenience Arm design pivots from the back to the front of the saw, shortening arm movement and allowing smooth and quiet operation Arm lifts to allow blade to make inside cuts Oversized cast iron table bevels 45° left and right