Reddit reviews HFS (R) 1 Pair 123 Blocks 1-2-3 Ultra Precision .0002 Hardened 23 Holes 0.0002"
We found 1 Reddit comments about HFS (R) 1 Pair 123 Blocks 1-2-3 Ultra Precision .0002 Hardened 23 Holes 0.0002". Here are the top ones, ranked by their Reddit score.
Size within +/- .0002"Flatness and parallelism within .0002"Squareness on all sides is 0.0003" per inchPairs are matched to a tolerance of 0.0002"Has 23 holes with 5 holes tap to 3/8-16 threads for clamping and 18 untapped holes
Here's a small gift (~$15), 123 Blocks, they are precision machined metal blocks, they have been incredibly useful for building physical models, which he will do A LOT of during his school time. I have had my set borrowed by fellow students more times than I can count. Everyone always says they are very handy and versatile, which i can attest to as well.
An Amazon link for ya!