Engineer's squares (3" and 9"). Use 'em constantly.
1"x30" HF belt sander. Does more than I ever thought.
Fractional dial caliper. Beats my digital because it's fractional, and analog. I still use my digital when I want thousanths. But when I want material thicknesses or dado depths, I reach for the dial - analog tells me better when I'm getting close.
Irwin Quick Grip clamps - too weak for big stuff, but amazing for when I am out of hands. Great for holding stops or fence extensions.
$12.99 HF tap and die set. MAN i tap a lot of holes for a woodworker. Jigs, replacement parts, tool enhancements, shop-built tools. I tap something at least once or twice a month.
$7.99 HF 18ga nailer. Cheapest POS, but won't die. Use it for all sorts of quick holding needs.
$2 spring-loaded keychain cable thingy. It holds my chuck key for the drill press. It's ALWAYS in the same place and NEVER gets lost.
Spring clamps ... handy little buggers. I just never have enough, though.
My shop is full of little useful stuff like that ... everywhere you turn, there's a cheapo item doing tons of work for me
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] When your brad points get dull, flatten the tip with your bench grinder, and then convert them to 135 degree split points with your Drill Doctor.
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