B1AC10112 Sharpening Stone, Blade New 30 grit 12" ruby sharpening blade stone. Ruby abrasive stones are made from sintered crystals of synthetic ruby. They are extremely hard, maintain their shape well and are resistant to wear. Because they are so hard they can sharpen and finish extremely hard metals The blade width is 1" with 7/8" center hole. Diameter 12" CH 7/8" Width 1" Material Ruby Grit 30 Mega-Cross: Crossed From: 9251 ROTARY Sections and Models: Sunbelt - Blades > Blade Tools & Accessories (Miscellaneous) (Undefined): SEVERAL Sunbelt - Equipment > Grinders (Miscellaneous) (Undefined): SEVERAL Please check availability prior to order! Thanks for viewing our listings. Please click "Ask A Question", or call us if you have a parts need that you do not see listed here. We will do our best to locate the parts you need, and make every effort to save you money. For parts information in English please call Chris at (813)365-0042. Gracias por ver nuestros anuncios. Por favor, envia un mensaje, o simplemente llamenos si necesita alguna's pieza que no ves listado. Mencionado Haremos nuestro mejor esfuerzo para localizar las piezas que necesita, y hacer todo lo posible para ahorrar dinero. Para espanol llame a Darcy a el (813) 365-0042.