The Starrett Tap Drill Size Decimal Equivalents Pocket Card Chart is a vintage tool for metalworking enthusiasts. Made of laminated cardstock, this double-sided chart features standard and metric tap drill sizes with decimal equivalents. With a red color and compact pocket size, this chart is a convenient reference for machinists and collectors alike. Made in the USA, this chart is a valuable addition to any tool collection for those interested in precision machining.
eBay