Simple, saving time, and no more hassle with your project.
Premium Woodworking Doweling Jig automatically centers itself on round, square or irregular shapes. You can drill two identical parallel holes without moving the jig.
PRECISION DRILLING: The metal guide center holes are precision drilled and reamed for accuracy for the drill bit. For accuracy and best results, use a spur bit type drill.
EASY TO USE: Do not use oversized or bent drill bits. It is simple to use and includes no small, loose parts that can easily get lost.