NEW, Enhanced Starrett 2900 Series highly accurate, full-featured digital indicators are now available in wireless models, rechargeable battery and a new 4" range. Models feature true absolute sensor technology that minimizes data loss, glass scales, +/-.00005" accuracy and IP67 protection. Your choice of features, basic to advanced or selectable resolution, and all with data output. Renowned Starrett quality standards. Made in Athol, MA U.S.A.