Gross metal countersink steps drills Titanium bit hole size 3-12mm BI106

Gross metal countersink steps drills Titanium bit hole size 3-12mm BI106 suitable size: 3-12mm diameter: 1/4 inch Package Content: 1 x Countersink Step Drill Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.