Hammerdrill features two speed transmission, 0-600/0-2000 max rpm, 34000 max bpm, 15 clutch settings, 1/2" ratcheting chuck and 350UWO. Impact driver features 3 LED lights with 20 second delay to provide visibility without shadows, 1/4" hex chuck, 2800rpm no load speed, 3200ipm, and 1400in-lbs max torque. Includes: 2 tools, (20) 20V Max lithium ion 1.5 Ah battery packs, fast charger, (2) belt hooks, on-board bit holder and a handy zippered bag.