US Patent 9120213 Powered ratchet wrench

A power tool includes a motor having a motor drive shaft, a drive assembly coupled to the motor drive shaft and driven by the motor, an output assembly coupled to the drive assembly and having an output member, and a first housing that houses at least a portion of the motor and at least partially defines an outer surface of the power tool. The first housing is formed from steel for reducing flux losses of the motor. The power tool also includes a second housing disposed around an outer surface of the first housing. The second housing is formed from plastic and includes a grip portion.