12V OREGON SURE-SHARP ELECTRIC SHARPENER SUITABLE FOR SHARPENING ALL TYPES OF CHAINSAW AND CHAINSAW CHAINS. the chainsaw socket and battery clamps allow you to sharpen your chain at any time. supplied with 3 grinding wheels per pitch: .325" - 3/8" - .404" spare parts: spare grinding wheels code 4.5 mm (11/64"): 32628 (set of 3 pieces) spare grinding wheels code 4. 8 mm ( 3/16"): 31396 (SET 3 PIECES) CODE REPLACEMENT ABRASIVE GRINDING WHEELS 4.0 mm (5/32"): 31397 (SET 3 PIECES) CODE REPLACEMENT ABRASIVE GRINDING WHEELS 5.5 mm (7/32"): 31398 (SET 3 PIECES) CODE: 585015 ORIGINAL CODE: CZ