DialMax Dial Caliper Metric. 6.0"/150mm OAL. Reading 0.1mm. Non-metallic high-tech material with 60% fiber glass content. For outside, inside, depth and step measurements. Impact resistant dial can be recalibrated to zero.Inch Dial-Max Caliper .001" Resolution to 6" Length Bi-directional Thumb Roller with Friction stopDoes Inside, Outside, Depth and Step MeasurementsBezel Rotation Allows for Quick Realignment to Zero.Nearly Non Conductive, Rated EU Food GradeNon Metallic, Anti Magnetic, Non Corroding. Precision Molded with Durable 60% Fiberglass Fill.Super Light Weight For All Day Non Fatigue HandlingPrecision Made By Wiha division KWB SwitzerlandWiha uses the same image for many products. Photo may not be exactly as product appears. Please read description carefully.