1/2" Drive Impact Socket Spanners Chrome Molybdenum Mirror Finish Double Chrome Plated Specification SIZE (Inch.) DI MM DI MM L MM 8 15 25 38 9 16 25 38 10 18 25 38 11 19 25 38 12 20 25 38 13 21 25 38 14 23 25 38 15 24 30 38 16 25 30 38 17 26 30 38 18 28 30 38 19 29 30 38 20 31 30 39 21 32 30 39 22 33 30 39 23 34 30 41 24 35 30 41 25 37 30 41 26 38 30 44 27 39 30 44 28 40 30 46 29 42 30 46 30 43 30 50 32 45 30 50