The DEWALT DCS331 XR Premium Jigsaw is fitted with a powerful & highly efficient PM47 fan-cooled motor, that features replaceable brushes. Delivering a fast cutting action, up to 3000 strokes per minute, maximising user productivity. The intelligent variable speed trigger & lock-off switch provide quick controlled cuts and enhanced work safety. Its 3-position pendulum action controls the aggressiveness or smoothness of cuts. The tool free adjustable shoe with anti-scratch cover bevels 45°, in both directions. Uses a quick and easy patented keyless blade change system, that accepts T-shank blades. It's modular component design provides trouble free servicing whilst the patented anti-vibration counter-balance mechanism and rubber grip providing a smooth operation. There is also a dust blower that keeps line of cut clear of dust and debris. DCS331M2: 2 x 18V 4.0Ah XR Li-ion Batteries. DCS331N: Bare Unit, No Battery or Charger. Specification: Strokes No Load: 0-3,000/min. Stroke Length: 26mm Bevel Capacity: 45° Capacity: Wood 135mm, Metal 10mm The DEWALT DCS331N XR Premium Cordless Jigsaw 18V is supplied as a Bare Unit, NO battery or charger supplied. DEWDCS331N