Speed-Rite AC Variable Speed Drive Retrofit Kit (VFD) for ...
-No holes to drill or tap on a Bridgeport variable speed or step pulley type milling machine. -2 year limited factory warranty. -Comes complete with Baldor 3/5 HP Super-E premium motor, Baldor inverter, control panel, mounting bracket, pulleys, V-belt, and all hardware neccessary for installation.