A tool that can be converted to be used in one of a first configuration and a second configuration, the tool comprising: a base unit that receives power and data communications from a remote source, the base unit comprising: a motor ; an output drive that is driven by the motor ; and a housing that extends around the motor and the output drive , the housing comprising a mounting platform ; a servo-free module that does not include a servo amplifier, the servo-free module comprising: a first connector interface ; and a first housing that extends around the first connector interface , the first housing comprising a first mount ; a servo amplifier module comprising: a servo amplifier configured to monitor the status of the motor and to make adjustments for the motor to operate at the desired settings; a processing circuit ; a second connector interface ; and a second housing that extends around the servo amplifier , the processing circuit , and the second connector interface , the second housing comprising a second mount ; the mounting platform of the base unit configured to removably connect at a time to one of the servo-free module and the servo amplifier module ; a first configuration comprising the servo-free module physically and electrically removably connected to the base unit with the power and data communications from the remote source that are received at the base unit passing through the servo-free module ; a second configuration comprising the servo amplifier module physically and electrically removably connected to the base unit with the power and data communications from the remote source that are received at the base unit passing through the servo amplifier module . a base unit that receives power and data communications from a remote source, the base unit comprising: a motor ; an output drive that is driven by the motor ; and a housing that extends around the motor and the output drive , the housing comprising a mounting platform ; a motor ; an output drive that is driven by the motor ; and a housing that extends around the motor and the output drive , the housing comprising a mounting platform ; a servo-free module that does not include a servo amplifier, the servo-free module comprising: a first connector interface ; and a first housing that extends around the first connector interface , the first housing comprising a first mount ; a first connector interface ; and a first housing that extends around the first connector interface , the first housing comprising a first mount ; a servo amplifier module comprising: a servo amplifier configured to monitor the status of the motor and to make adjustments for the motor to operate at the desired settings; a processing circuit ; a second connector interface ; and a second housing that extends around the servo amplifier , the processing circuit , and the second connector interface , the second housing comprising a second mount ; a servo amplifier configured to monitor the status of the motor and to make adjustments for the motor to operate at the desired settings; a processing circuit ; a second connector interface ; and a second housing that extends around the servo amplifier , the processing circuit , and the second connector interface , the second housing comprising a second mount ; the mounting platform of the base unit configured to removably connect at a time to one of the servo-free module and the servo amplifier module ; a first configuration comprising the servo-free module physically and electrically removably connected to the base unit with the power and data communications from the remote source that are received at the base unit passing through the servo-free module ; a second configuration comprising the servo amplifier module physically and electrically removably connected to the base unit with the power and data communications from the remote source that are received at the base unit passing through the servo amplifier module . <EOS>