Features and Benefits: Precision bored and honed milling head Large diameter quill is chromed High precision spindle bearings Over 10" of front to back ram travel The Jet Vertical Milling Machine is a small mill with all the features found on larger mills but sized for home shops ...Features and Benefits: Precision bored and honed milling head Large diameter quill is chromed High precision spindle bearings Over 10" of front to back ram travel The Jet Vertical Milling Machine is a small mill with all the features found on larger mills but sized for home shops, repair shops, and small maintenance shops. Powered by a 1.5 HP 115/230-volt motor, this milling machine offers 5 spindle speeds ranging from 240 to 1,150 RPM, has a collet capacity of 1/8 to 7/8 inches, and offers a generous 10-1/2 inches of front to back ram travel.