Attributes . 3-1/8" bore spindle is supported by two tapered and one ball bearings.Chrome molybdenum headstock gears are hardened, ground and shaved.Universal gearbox allows inch, metric, diametral and module pitch threads, no change gears required.Carriage features one-shot lubrication and Turcite-B on bed sliding surfaces.T-slotted compound slide featuring four-way tool post.One piece cast iron base absorbs vibration allowing heavier cuts.High quality ANSI Class 50 wear resistant cast iron bed ways. Removable gap allows large diameter work.Five position automatic carriage stop increases productivity.Meehanite Castings.With Acu-Rite 200S DRO . Names