Optional component compatible with OILES slide shifter BC/BF types and OILES guide unit BT/BK types. [Features] · This metal scraper (MS standard) attaches to a guide shaft and is used to remove weld spatter, grease, and other materials stuck to the shaft. · Uses a phosphor bronze coil scraper. · When mounting a metal scraper to the BC type, no dust seal (DS) can be embedded.