Specifications: Material: High Speed Steel 4241 Metric Size: 6mm-60mm(12 levels: 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm,50mm, 55mm, 60mm) Inch Size:15/64",25/64",19/32",25/32",63/64",1-3/16",1-3/8".1-37/64",1-49/64",1-31/32",2-11/64",2-23/64"(There is no imperial scale, here it is just converted from metric to imperial.) Shank diameter: approx. 13mm(33/64") Package Included: 1Pc Hss Step Drill Bit Note: Due to lighting reasons, the colour of the real thing may be slightly different from the product.
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