Set of 20 milling machine collets, 5C size, 1 1/4 x 20 external threads also internal threads. Sizes from 1/16" to 15/16". Two are a bit rough on the outside but may be salvageable the rest look good to go. Brands are Neal Skoki (made in Germany) and Hardinge and a few unmarked. Holder included. $50/set. i am not selling individual collets.