Engineers Black Book Language Spanish Product Type Reference Guide Subject Matter Manual Height 6 in Width 4 in Includes Drill Point Sharpening Guide Number of Sheets Included 168 For Use With Engineering Drawing Standards Equivalent Charts. Tapping Drill Sizes Formulae Hardening And Tempering Surface Coatings. Speeds And Feeds Keys And Keyways And Much More. Keys And Keyways. Weights Of Materials Lubricants-Coolants Sheet Metal And Wire Gages Spur Gear Calculations