@Russ – I got the first drill-perpendicular-holes gadget that you posted, and a variation on the second version Thanks @tv101. I might give them a try. Even if I don’t use them in guitar making, they’ll still come in handy. …   Read more»

Ooops @russ

 

Cheers @mattbeels. 👍😁 
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Here ya go, duty free. Probably available at Amazon as well.

Was there meant to be a link or a photo attached @mattbeels? 🤔 
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They could be for sizing drills rather than drilling holes.

You could be right @rocknroller912
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They are pretty good initially but I use another device as a secondary guide too. 

What would that secondary guide be @boo? 🤔 
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………or these…… 

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 Has anyone ever used one of these to drill a straight hole? Are they accurate? 
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Beautiful @clinton. 👍🤩 
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