... hardened, With data output. Product Description:Vernier / Electronic Digital Calipers Electronic Calipers:Made of stainless steel hardened, With data ... supply the following products: (1) Measuring Tools------Vernier Calipers, Electronic Digital Calipers, Micrometers, Dial Indicators, Squares, Protractors, Gages, ... , Slitting Saws, Saw Blades, Reamers, Taps & Dies, Tool Bits, Carbide Inserts, etc.