1 Piece VALVE SEAT GRINDER STONE DRESSER 0.50CT 3/8" X UNF BLACK & DECKER SIOUX DIAMOND STONE DRESSER  FOR BLACK & DECKER, SIOUX, KWIK KAY 0.50 CARAT DRESSER  QUANTITY - 1 NOS THREAD SIZE: 3/8" X 24UNF LENGTH - 60MM - 2.3/8" FREE  TARIFF AND FREE DUTY FOR USA CUSTUMERS / BUYERS