The Milwaukee Tool M18 Compact Brushless tools are compatible with the M18 line of cordless Li-ion products. Both the M18 1/2" Compact Brushless Drill/Driver (No. 2701-22CT) and M18 1/2" Compact Brushless Hammer Drill/Driver (No. 2702-22CT) have 500 in/lbs of peak torque, a two-speed gear box, a 1/2" all-metal ratcheting chuck, two M18 batteries, a charger and a carrying case. The 2701-22CT is 6-7/8" long and weighs 3.7 lbs with the battery while the 2702-22CT is 7-3/8" long and weighs 3.9 lbs and is capable of up to 28,800 blows per minute. The M18 1/4" Hex Compact Brushless Impact Driver (No. 2750-22CT) offers 1,500 in/lbs of torque, up to 2,800 rpm, as many as 3,600 impacts per minute and a 1/4" hex quick change. It weights 3.1 lbs with the compact battery.