Manufactured from premium quality, high grade silicon carbide abrasive grit. Silicon carbide bench grinder wheels are engineered with precision for extensive product life and cool and consistent grinding on a wide range of materials. Designed for use on a bench or pedestal grinder for deburring and sharpening of parts and tools. | | Vitrified bond for precision grinding. Unaffected by water, acid and oils. All with 31.75mm bore, supplied with 1″, 7/8″, 3/4″, 5/8″ and 1/2″ bore nylon bushes. | | All York grinding wheels are supplied in a unique storage box, which helps prevent chipping and other accidental damage. Spare cases available. | | Type 1: Straight grinding wheels. | | Note: Truing recommended before first use. | |