1 set 15° pocket hole screw jig with dowel drill wood joint set tool, machined from solid aluminium block wotryit <b>dowel drill set:</b><br> <br> sizes: 6, 8 and 10mm <br> precision ground, pre-cutting blades for a cleaner cut. <br> includes depth collars for accurate drilling of dowel holes. <br> for timbers and man-made woods. <br>package included: <br> 13pcs x pocket hole jig set <br>note: <br> please allow minor deviation due to manual measurement. <br> due to the difference between different monitors, the picture may not reflect the actual color of the item.