Dowl-It 1000 Self-Centering Doweling Jig

The Dowl-It #1000 automatically centers 5 sizes of holes on the edge of any board 1/2" to 2" thick: 1/4", 5/16", 3/8", 7/16" and 1/2". Just line up on your mark, turn the handle to clamp in place and drill your hole. Uses standard-length twist or brad point bits that you supply. Can also be used for drilling into round stock.