This auction is for a lot of four used S-K Tools sockets, all made in the USA. They are:7/8 inch, 12 point, 1/2 inch drive with the part number 401289/16 inch, 6 point, 1/2 inch drive with the part number 4011813mm, 12 point, 1/2 inch drive with the part number 403131/2 inch, 6 point, 3/8 inch drive with the part number 45116 Please see the photographs for complete details. Happy bidding!