General tools has grown to become the recognized industry leader for specialty hand tools and instruments. Generals 102 micrometer is a practical and economic measuring tool for hobbyists and do-it-yourselfers. The satin chrome barrel and thimble offer easy to read etched black graduations and the spindle is equipped with a lock for taking repetitive measurements. This item is also available as part of a set which includes a carbide scriber and satin chrome ruler.