Standard Pack = 1 piece(s). Type = Digital Depth Gage Kit ; Accuracy = 0.0015 Inch ; Resolution = 0.0005 Inch ; Number Of Contact Points = 2 ; Rotating Angle = 90 Deg ; Features = Light Weight Beam Made Of Oxide Coated Aluminium With Double Inner Prismatic Guide Ways For Optimal Guidance And Sliding Characteristics, Bases Made Of Hard Anodized Aluminium, Which Are Easily Interchanged, Electronics Feature On/ Off, Floating Zero And Direct Inch/ MM Conversion ; Includes = Fitted Case, Instructions, 2 Spare Base Screws, 2 Hex Wrenches And Test Certificate ;