Grinder Kit Battery and Wheel Voltage 12V DC Max Speed 20 000 RPM Grinder Orientation Straight Switch Type Paddle Battery Capacity (2) 2.0 Ah Brushless Motor Yes Cordless Tool Kit Contents (1) Bare Tool (2) Batteries (1) Charger Accessory Free Tool Change No Collet Guard Type None Collet Size 1/4 in For Wheel Dia 2 in Speed Ranges 0 to 20 000 RPM Minimum Speed 0 RPM Number of Speed Settings 3 Lock-Off Switch Yes Lock-On Switch Yes Brake Type None