You are purchasing the beautiful Vintage Snap-on 1/4" Drive Socket Set 19pc w/Red Storage Box & 12 BONUS extras, including extra ratchet , extensions and sockets. The extensions have small allen head nut to change out pieces for different fittings like phillips heads or other type tools. you are actually getting two sets!. Refer to pictures all are ready to use. These were purchased at TN Estate auction great find! FREE shipping in USA, overseas okay through shipping, there are no returns please ask questions if you need additional help! I am disabled veteran business and appreciate your patronage!