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Carnation

Tool - Drill Block

Milescraft 1312 Drill Block 

Drill block 

http://www.amazon.com/gp/product/B00F1ZJFZK/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1     $8.71

It keeps the drill bit perpendicular.

PL-Premium gluing the jig into a bigger wood base makes it more accurate.

 

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