1/2" Drive Hex & Bi-Hex Socket Spanners Chrome Vanadium Mirror Finish Double Chrome Plated Specification SIZE (Inch.) DI MM DI MM L MM 8 13 22 38 9 14 22 38 10 15 22 38 11 17 22 38 12 18 22 38 13 19 22 38 14 20 22 38 15 22 22 38 16 23 23 38 17 24 24 38 18 25 25 38 19 26 25 38 20 28 25 38 21 29 27 38 22 30 28 40 23 32 29 40 24 33 29 40 25 34 29 40 26 35 29 40 27 36 33 45 28 38 33 45 29 39 33 45 30 40 34 45 32 42 36 45