Snap On 107ATMPB 1/4 General Service Kit Standard and metric Semi Deep Sets. For sale is the Snap-On 1/4 inch Drive General Service set. Includes all the original components and two rails of 1/4 inch Semi deep sockets. The top rail is a 10 piece Standard set of Semi deep sockets, size 3/16 – 9/16. The second rail is a 12 piece metric set of Semi deep sockets, size 5 – 15. If you have any questions feel free to message me.