... be met)Materail: high quality carbon steel or stainless steelSurface Treatment: the whole rod body with heat treatment, measuring surface ... any position with data output interface)Measuring speed: 1.5cm/secDouble shockproof design and adjustable zero position; high quality and large ... to readMeasuring Function: ID, OD, depth, Height, Step.Quality Control: CE,ROHS,SGS can be metEco-friendly, non-toxic ...