This high-quality, vitrified Oregon OR534-14A 5-3/4 in. x 1/4 in. Bench Grinder Grinding Wheel is specifically designed for use on full-size Oregon bench grinders. This grinding wheel for use with 1/2 in. chains. The grinding wheel resists burning of the cutters and leaves a clean, sharp finish every time. This grinding wheel is used for depth gauge grinding. Get the job done right with this durable grinding wheel!