Kobalt USA 1st Generation 6-Pt 9/16-in Combiation Wrench Williams 01305. The best generation of Kobalt wrenches. They use the Williams/Snap-on date codes and this one is 2001, Second last photo. Last photo is the date code chart. A few surface scratches, see photos. Thanks for looking! Please let me know if you would like any additional information or photos.