India' Best Valve Seat Grinding Stones Known Through Its Performance & Quality. HEAVY DUTY SIOUX STYLE STONES THREAD 11/16" 10 Pcs Stones Stone Sizes 1-1/8" (1 Pc Grey ) 1-1/4" (1 Pc Grey ) 1-3/8" (1 Pc Grey ) 1-1/2" (1 Pc Grey ) 1-5/8" (1 Pc Grey ) 1-3/4" (1 Pc Grey ) 1-7/8" (1 Pc Grey ) 2" (1 Pc Grey ) 2-1/4" (1 Pc Grey ) 2-1/2" (1 Pc Grey ) STONES CAN BE DRESSED TO ANY ANGLE VITRIFIED BOND 80 GRIT MEDIUM |