This Carbide Drill Bit Set contains 1ea. of the following Metric sizes; 3.75mm, 3.80mm, 3.85mm, 3.90mm, 3.95mm, 4.00mm, 4.05mm, 4.10mm, 4.15mm and 4.20mm.
All these 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.