The key is made from nickel steel, with a butterfly top. View the conversion chart below, to find the correct size key. 3 – 3.00mm 13 – 5.00mm 2 – 2.75mm 12 – 5.25mm. 4 – 3.20mm 14 – 5.20mm 3 – 3.00mm 13 – 5.50mm.
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