This Carbide Drill Bit Set contains 1ea. of the following Metric sizes; 3.20mm, 3.25mm, 3.30mm, 3.35mm, 3.40mm, 3.45mm, 3.50mm, 3.55mm, 3.60mm, 3.65mm, 3.70mm, 3.75mm, 3.80mm, 3.85mm, 3.90mm, 3.95mm, 4.00mm, 4.05mm, 4.10mm, 4.15mm, 4.20mm, 4.25mm, 4.30mm, 4.35mm, and 4.40mm.
These Millimeter Drill Bits are made of Tungsten Carbide. The over all length is 1.50". The shanks have a diameter of .1250 and all have identification rings on them.