Sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16mm. 1/4″D x single hex (6pt) profile. 16mm Hex Allen Key Socket Bit FOR VW AUDI SEAT SKODA 1/2 Drive LL. You may be asked to sign in. Double Ended Diamond Coated File Sharpener Pen-Style With Pocket Clip.