Made in Sheffield UK - Cobalt SKU size flute(L) Length(MM) C107-0010 1.0 mm 12 34 C107-0015 1.5 mm 18 40 C107-0020 2.0 mm 24 49 C107-0025 2.5 mm 30 57 C107-0030 3.0 mm 33 61 C107-0032 3.2 mm 36 65 C107-0033 3.3mm 36 65 C107-0035 3.5 mm 39 70 C107-0040 4.0 mm 43 75 C107-0042 4.2 mm 43 75 C107-0045 4.5 mm 47 80 C107-0048 4.8 mm 52 86 C107-0050 5.0 mm 52 86 C107-0055 5.5 mm 57 93 C107-0060 6.0 mm 57 93 C107-0065 6.5 mm 63 101 C107-0068 6.8 mm 63 101 C107-0070 7.0 mm 63 101 C107-0075 7.5 mm 69 109 C107-0080 8.0 mm 75 117 C107-0085 8.5 mm 75 117 C107-0090 9.0 mm 81 125 C107-0095 9.5 mm 81 125 C107-0100 10.0 mm 87 133 C107-0102 10.2 mm 87 133 C107-0105 10.5 mm 94 142 C107-0110 11.0 mm 94 142 C107-0115 11.5 mm 94 142 C107-0120 12.0 mm 101 151 C107-0125 12.5 mm 101 151 C107-0130 13.