Check the listing for details. Tormek SP-650 Tormek Stone Grader. Condition: New. Listed at 49.93 USD. Tormek SP-650 Tormek Stone Grader ✓ Free 60 Day Returns ✓ Free Express Shipping Description: Tormek SP-650 Tormek Stone Grader From the Manufacturer For grading the Supergrind stone to a finer grit. Also for renewing a glazed stone. Features: Rejuvenates glazed or clogged Grinding stonesChanges the grind stone from fast cutting to fine grinding and backCan be used any number of times Product Details: Material: StoneBrand: TormekColor: MulticolorProduct Dimensions: 8.85"L x 3.25"W x 2.3"HItem Weight: 0.35 KilogramsGrit Type: FineManufacturer: ‎TORMEKPart Number: ‎SP-650Item Weight: ‎12.5 ouncesProduct Dimensions: ‎3.25 x 8.85 x 2.3 inchesItem model number: ‎SP-650Is Discontinued By Manufacturer: ‎NoColor: ‎MulticolorMaterial: ‎StoneItem Package Quantity: ‎1Grit Description: ‎FineIncluded Components: ‎SP-650Batteries Included?: ‎NoBatteries Required?: ‎NoWarranty Description: ‎LimitedDate First Available: November 8, 1999