Antique cycle tap & die set. Boxed 1930's (?) Beautifully made & presented.
There is also a right hand thread 1.370 x 24TPI tap in its own slot. Sizes range from 3/8 to 9/16. The 9/16 has both left and right hand versions as these are used extensively on pedal threads. Overall box size is approx 19" x 3" x 5".