| 摘要 |
A central piece of a drill guide is formed by a pair of opposing boards having elongated slots formed therein. A second pair of boards similar to the first set also has elongated angulated slots formed therein. The slots of the two boards are fitted into each other to form a rectangular angulated channel there between. This channel provides a guide for angulated drilling of a work piece. A board forming a foot piece is removably fitted onto the boards to form a foot rest for holding the guide in position while drilling.
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