SIOUX VALVE SEAT GRINDER STONE HOLDER WITH 2 PIECES OF STAR DRIVE BALL AND SHAFT. EQUIPPED WITH C3 SERIES DUAL HIGH SPEED BEARINGS. WITH DRIVE BALL AND SHAFT THREAD 11/16 " X 16 TPI 0.385 " Pilot Bore SIOUX VALVE GRINDER PILOT AND GRINDER STONES ALSO ON SALE BULK QUERY CONTACT US ! FEEL FREE TO ASK ANY QUESTION |