~$19
Digital Caliper
Useful for woodworking, 3D printing and repairs where eyeballing is not good enough.
Woodworkers & DIYersScience Nerdspractical
~$20 typical price
A bundle of quick-grip spring clamps in mixed sizes for holding small parts and glue-ups.
Why it makes a great gift
Woodworkers famously never have enough clamps, and these are the cheapest way to add more.
Useful for woodworking, 3D printing and repairs where eyeballing is not good enough.
Lets a tinkerer open and repair almost any gadget around the house.
Basic safety gear that every shop needs and many people forget to buy.
Basic layout tools that help a woodworker make accurate cuts.