The Makita DCS552Z Metal saw is powered by 18V Li-ion LXT slide Type battery (battery & charger not included) to deliver up to 3600 rpm. The metal saw has a heavy gauge precision machined base for smooth accurate cutting flat motor housing end & a conveniently located shaft & lock for easy blade replacement. Features a built in dust collection system & easy disposal system where metal chips & dust can be thrown away by opening the cap of the dust box. The DCS552Z has a lock off lever to prevent accidental start-ups & a large cutting capacity of up to 50.5mm at 90°.