DEWALT 12V/20V MAX Brushless 2-Tool Combo Kit This 2-tool automotive kit features a 20V MAX* brushless 1/2 in. impact wrench with hog ring anvil, and the XTREME™ 12V MAX* Brushless 3/8 in. extended reach ratchet. The kit comes with a 20V MAX* 2Ah battery for the impact, 12V MAX* 2Ah battery for the ratchet, and a charger that works with both 12V MAX* and 20V MAX* batteries.