this spindle can be ran from 15k to 40k the vrt spindles will give your slower rpm machine the rpm you need in todays high speed machining world 3d graphite milling, engraving, high-speed cutting, small wheal jig grinding, small hole drilling . kit includes the vrtmtnt spindle, a cat 40 shank, auto coupler, air valve, tachometer, 1 1/8 11-er collet, wrenches manuals and install instruction. call before you order we need to know what machine you will be installing on.
