Dowel Jig Kit contains everything you need to get started creating strong and accurate doweled joints. The self-centering dowel jig and adjustable fence allow for precise dowel alignment and maximum joint strength. Use with wood boards from 1/2″ to 1-1/2” thick. Now you can perform one-handed alignment and skip the hassle of measuring and marking when drilling corner or edge joints. Features: Self-Centering Guide Posts allow for accurate, one-handed alignment for maximum joint strength and precise dowel alignment.Insert Molded Hardened Steel BushingsEnsure accurate alignment when drilling for perfectly positioned dowels for longer doweling lifeAdjustable Guide Fence.Easily adjust to the depth of the board so that each hole will be precise from one to the nextCan be removed without removing the guide knobsCompatible with 1/2″ to 1-1/2” thick lumberSteel Dowel/Tenon Centers for durable and accurate location marking of dowel holes or in the second board being joined.Fluted Hardwood Dowel PinsChamfered ends add strength and endurance to your joined surfacesBrad Point Drill BitsBits ensure pinpoint accuracySteel Drill Stops for durable performance Includes: 3 sizes – 1/4”, 5/16”, 3/8”