The item you are bidding on is a Vintage J. C. Winter & Co. Collet Set | 13 Pc. Set. Some oxidation on the parts. Sizes included: 9/16" Male attachment on all parts. Bit size: 1/16", 2/16(2), 3/16",5/16",7/16",3/8"(2),1/4",1/2",9/16"(2). 1 Tool. I have provided pictures for you to determine the condition of the item. I have other listings that you are welcome to check out. If you have any questions, feel free to message me and I will get back to you as soon as I can.