"The Makita Cordless Cutoff/Angle Grinder produces 50 faster grinding with an impressive 10,000 RPM. Its more compact design and ergonomic shape fits like a glove with even pressure and easy control, as well as less operator fatigue. Uses an LXT Li-Ion battery for 280 total lifetime work with 2X more cycles battery and charger not included. Switch Type Slide w/lock on, Wheel Included Yes, Side Handle Yes, Spindle Lock Yes, Case Included No, Product Type Handheld, Wrench Included Yes, Variable Speed No, Length in. 12 1/2, Spindle Thread Size 5/8 in., Wheel Diameter in. 4 1/2, Speed RPM 10,000, Battery Included No. Tool only battery sold separately Slide switch with lock-on"