Being a designer at a metal shop, I have my share of 'metal hold-downs' too!

I get a few machined, so they're +/-0.00 true!! even angles! Of course, they are the throw-aways!

I have a 1x4x6 machined peice, with is my favorite. A long 1/4 x 1 x 16 for wings..

the list goes on!!