Thread Forming Tap: 1/4-28 UNF, 3B Class of Fit, Bottoming, High Speed Steel, TiCN Coated MPN:5945109

The Starrett AX Gage Block Set is designed for professional gauging applications and comes with various precision gage blocks necessary to perform high precision measurements. This set includes ten pieces of 1, eight pieces of 2 lengths, and five pieces of steel standards in each size. Made from high quality granite and stainless steel, this AX gage block set is ideal for professionals who demand the utmost accuracy and consistency in their work. With features like automatic shutoff, backlit display, and low battery indicator, the Starrett EHS2 Digital Height Gage is a valuable asset for professionals who demand accuracy and efficiency in their work.