Snap-on Tools USA NEW 62 Piece 1/2 Drive. Metric & SAE 6 Point Chrome Shallow / Deep Master Socket Set in Green Trays. (Let me know if interested in any other color combination of trays). TW121A = 3/8″ TW141A = 7/16″ TW161A = 1/2. TW201 = 5/8″ TW221 = 11/16″.