A comprehensive 38 piece set of British Association (BA) Taps and Dies. Size range between 0 - 10BA in all sizes. Plug 2 and bottom plug taps in each size with a mini straight tap wrench. Dies to suit a 13/16" die handle. A BA thread gauge and 3/16" tap guide are included, as is a small automatic centre punch. Made from heat treated carbon steel. Commonly used in models, will create the finest threads. Supplied in a wooden storage box.