Check the listing for details. Precise PKZ 25 Spindle 310 Speed Controller. Condition: Used. Listed at 3200.00 USD. Precise PKZ 25 Spindle and 310 Speed Controller This just came in. It has a nmtb 40 taper for the mount but of course you can change it to what you want. This is a very high speed spindle and it does come with the control but you will need a cooler. Here is some information I pulled off the internet about this unit. SPINDLE SPECIFICATIONS:Working Speed..............................................5,000 to 25,000 RPMPower Rating....................................................3.8kw (5.0 HP)Accuracy - Quill Shaft Run - Out (at Collet Seat Taper)........0.0001" TIR MaxRotation...................................Counter Clockwise when Facing ChuckBearings...........................................Grease Packed Ball BearingsChuck (Manual Tool Changing)...............Type SRP20 Collet 3mm / 1/8" & 1/2"Spindle Cooling......................................Liquid by Circulated Pump