Best self-centering dowel jig. It is a great toolset for furniture factories, DIY, and woodworking enthusiasts. It is perfect for building cabinets, drawers, boxes, or anything that needs strong wood joints. Dowel jigs are used to make clean and accurate dowel holes in the workpieces so they can be joined together with dowels. The 6/8/10/15Mm Drill Guide is made of high-quality 45# carbon steel which is heat-treated for long service life. The jig has a black oxide finish to resist rust and corrosion. This 3-in-1 dowel jig set includes 6mm, 8mm, 10mm, and 15mm drill guides to accommodate different dowel sizes. PROS🟢 300mm positioning slider stroke Сorrosion resistant CONS🔴 Hard to align with the center