Cordless Angle Grinder Kit Battery Included Voltage 20.0 Wheel Dia 4-1/2 In. 8000 No Load RPM Cordless Tool Battery Type Li-Ion Series 20V MAX(TM) Brushless Motor No Switch Type Trigger Lock-on No Lock-off Yes Tool Length 14 In. Battery Included (2) 31AC52 Speed Type Single Battery Pack Replacement 31AC52 Battery Capacity 5.0Ah Spindle Thread Size 5/8 In.-11 Tool Weight 6.5 lb. Features 2-Position Side Handle Quick-Change(TM) Wheel Release