This 1/4" Hex Drive Powder Adapter allows the Redding TR-1400 trimmer to be used with any standard 1/4" drive drill or electric screwdriver. This saves a lot of time trimming cases allowing for more time on the range. Notes: Power adapter replaces the handle on Redding 1400 case trimmer.End of the power adapter is 1/4", designed to be used with a socket and a cordless screwdriver.This is the adapter only. There is no power source included.