Unsurpassed in quality, these High-Precision tools offer great value. Tungsten-Carbide wheel, perfectly ground to 138°? and exactly fitted on a Tungsten-Carbide axle to provide cleanest score and longest Wobble-free service life. Unique Oil-feed system controls Oil amount to suit the individual user?s requirements. Shaped and tapered clear plastic handle with profiled grip. Ideal for artists, craftsmen and hobbyists. Narrow head.