CRL 4" x 6" x 1" Sharpening Stone for Diamond Drills Belts they were designed to stand

they were designed to stand up to everyday use on glass and mirror

or exudation

polyurethane sealant

or any other foreign materials

NOTE : Always clean in direction of polish lines

CRL 4" x 6" x 1" Sharpening Stone for Diamond Drills Belts they were designed to standUse to Expose Fresh Diamonds Brings Life Back to Your Production Diamond Drills Achieve maximum life from your diamond drills by using the correct Sharpening Stone. These highly abrasive stones remove worn diamond and bond contact, exposing fresh cutting crystals. CRL Sharpening Stones are designed for use with CRL Production Style Metal Bond and Electro Formed Diamond Drills. When using a CRL Sharpening Stone, make sure the drill diameter is smaller