I am also selling this on other platforms, so please comment before purchasing. Thank you! Sizes: 12.7mm square drive Inch sizes: 1 15/16 13/16 KTC 25/32 3/4 5/8 19/32 9/16 MITOLOY 1/2 TONE (9.5mm square drive) 7/16 3/8 Set of 11. These are quite old. There are scratches and signs of wear, but they have been polished and are quite shiny. Also, there are no items with extreme signs of use. The Ko-ken is a double-name with Banzai. The others are also all Japanese manufacturers. The 1/2 is a bonus and has a 9.5sq drive.