Cordless Polisher Kit Battery Included Voltage 20.0 V Size 7 in No Load RPM 800 to 2200 Spindle Thread Size 5/8 in x 11 in Cordless Tool Battery Type Li-Ion Switch Type Variable Speed Trigger Tool Length 20 in Tool Weight 4.8 lb Series 20V MAX XR(R) Battery Included (2) 52NA71 Battery Pack Replacement 52NA72 Battery Capacity 6.0 Ah Handle Design Bail and Side Features Brushless Motor Rubber Gear Case Overmold Variable Speed Includes 7 in Backing Plate Kit Bag