Self-Centering Dowel Jig, Handheld Drill Guide with Bushings

Drill straight, centered holes in the edge of a board without a drill press. Two steel pins center the guide on the board, so dowel holes land in the middle every time.Features Self-centering: the two pins hug the board and put the hole in the center Works on boards up to 65mm (about 2-1/2 in.) thick Steel drill bushings keep the bit straight and vertical Center lines on the guide for marking and lining up holes Machined 6061 aluminum body, small enough for a tool pouch What's Included 6, 8 & 10mm Bushings: red guide with 6mm, 8mm and 10mm drill bushings 3–10mm Bushings (8), Black: black guide with 3, 4, 5, 6, 7, 8, 9 and 10mm drill bushings Kit with Bits, Stop Collars & Dowels: red guide with 6, 8 and 10mm bushings, 6, 8 and 10mm drill bits, 3 stop collars, 6, 8 and 10mm wood dowels and a hex key SizesMetric. 6mm, 8mm and 10mm are close to 1/4, 5/16 and 3/8 in. but not the same, so use metric bits and dowels with this guide.