The ryobi llcdi18022 one43 18v combi hammer drill has a two speed gear box and electronic variable speed control there is a 24 adjustable torque setting for even pressure on delicate work pieces it is also fitted with a quick stop feature brake for total control the 13mm keyless chuck so screwdriver bits will not turn around in the chuck on difficult drilling applications and helps for quick and easy bit changes even with one hand the drill is fitted with a soft grip overmould casing and trigg