The collars 3000 and 3002 may engage the teeth 370-1 and 418-1 of the second and third ring gears 360-7 and 400-7 and may include features, such as teeth or pins 3004 and 3006, respectively, that may engage a mating feature, such as teeth or apertures 3008, that may be formed into another portion of the power tool, such as the transmission sleeve 200-7, to thereby lock a respective one of the ring