1996, 77pages 6" X 3.75". This informative guide is the perfect on-the-job pocket reference for your GD & T needs. 77 packed pages based on the ASME Y14.5M-1994 Dimensioning and Tolerancing Standard and ASME Standard on Surface Texture. Each symbol is explained with examples, includes a section on surface texture, definitions, rules, major concepts and more! An economical reference tool, this is a must for anyone who uses engineering drawings. Order one for every member of your team!