The Makita 18-Volt LXT Lithium-Ion Cordless 16-Gauge Straight Shear (model XSJ02Z, tool only) combines high speed and increased maneuverability in a compact size with less weight. The XSJ02Z has a Makita-built 4-pole motor with 4,300 strokes per minute for faster cutting, yet it weighs only 5.1 lbs. (with battery, sold separately) for better control in cutting steel and stainless steel sheet metal. The XSJ02Z features a high performance double blade design that minimizes material distortion and produces clean cuts with minimal burrs. It will cut up to 16-Gauge mild steel, 18-Gauge stainless steel and 12-Gauge aluminum. For increased application versatility it has a radius cutting capability of 9-7/8 in. Dia. Convenience features include a barrel grip design, rubberized soft grip handle and a slide switch with lock-on capability for continuous operation. Its part of Makita's expanding 18-Volt Lithium-Ion system, the worlds largest cordless tool system powered by 18-Volt Lithium-Ion slide-style batteries. Makita 18-Volt Lithium-Ion batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger. For improved tool performance and extended battery life, Makita created Star Protection Computer Controls.