HEAVY DUTY SIOUX STYLE STONES THREAD 11/16" 3 Pcs Stones Stone Sizes 2-1/8" (1 Pc Grey) Medium Grit 2-1/8" (1 Pc Pink) Fine Grit 2-1/8" (1 Pc White) Super Fine Grit (Final Cut) STONES CAN BE DRESSED TO ANY ANGLE VITRIFIED BOND MULTI GRIT