I have an 18 volt makita li-ion -with 3.0 amp hr batterys & 1/4 hex drive. (Don't get the 2.6 amp hr, it is a diffrent tool). Only a little over 5" long, built in work light, weighs less than my 14.4 volt impact, & with the hex drive I can use 1/4", 3/8", 1/2"... Login to read more.