... *Back lighted LCD for use in the dark. *Bleeder valv *Compass.*LED flash light. * Multi-scales: PSI, Bar, Kgf/cm² ... in the dark. *Bleeder valve for pressure adjustment. * Digital tread depth gauge * The hammer easily shatters glass to ... supply the following products: (1) Measuring Tools------Vernier Calipers, Electronic Digital Calipers, Micrometers, Dial Indicators, Squares, Protractors, Gages, etc ( ...