MAC TOOLS 4 PIECE 3/8 DRIVE LOCKING KNURLED CHROME EXTENSION SET. All extensions have been tested and work as expected! Note that the tray has some cracks and chips but is fully functional! PROUDLY MADE IN U. Please take a look at my store for more great deals. On professional quality tools! IF YOU SHOULD FEEL DIFFERENTLY. PLEASE LET US KNOW AND GIVE US A CHANCE TO CORRECT ANY ISSUE. ? Thank you for looking??