📐 Measure once, master every project.
The WEN 10423 1-2-3 Blocks set includes two precision-machined steel blocks measuring exactly 1, 2, and 3 inches on each side. Featuring five threaded 3/8-16 UNC holes, these hardened steel blocks provide durable, versatile calibration and spacing tools essential for machinists, woodworkers, and metalworkers seeking reliable accuracy.
| Manufacturer | WEN |
| Part Number | 10423 |
| Product Dimensions | 7.62 x 5.08 x 2.54 cm; 453.59 g |
| Item model number | 10423 |
| Size | 1 x 2 x 3 in |
| Style | Inches (Imperial) |
| Pattern | Blocks |
| Item Package Quantity | 1 |
| Measurement System | Standard |
| Included Components | 1-2-3 Blocks |
| Batteries Required? | No |
| Item Weight | 454 g |
M**T
Great product
Great for setting up
W**
good
useful and good price
N**T
10mm Threads
I looked at several inexpensive 1-2-3 blocks before settling on these. I know cheap ain't great, but I didn't need great. I could have bought cheaper but these were the only ones that specifically stated they were metric (25x50x75) AND had metric 10mm threadded holes (all the others I looked at stated 3/8 UNC thread). These blocks are true to the description, 100% metric. As for accuracy, I measured the 25mm dimension with a 1" micrometer (Ironic?) at 28 Deg C, and I got 985Thou (25.019mm). I believe, for anyone not prepared to pay 5 times the cost of these, that is good enough. Happy Chappy!
T**Y
Usable, but poorly finished.
Seems to be machined to the right size, but the corner / edge machining is sloppy, which gives an illusion that they're not square.
R**D
Excellent quality…Dimensionally accurate within 2/100 mm WOW!
WEN 123 blocks in Metric. I checked both blocks with my millimeter scaled dial calipers. Both blocks read within 2/100 mm on all three axis, and the length was within 1/100 mm which is the accuracy limit of my tool. Very impressive for 24 quid!.Bonus joy: Nearly all 123 blocks on this site have US SAE 3/8 threaded connection holes and the untapped holes are too small for the connecting bolts of the threaded size to pass through rendering them next to useless.……..NOT SO WITH THESE…..The M10 threaded holes are smaller than the pass through holes allowing M10 bolts to join the blocks as intended…BRILLIANT, THANK YOU WEN!.They arrived tightly packed without room to ‘chink’ off each other. Wrapped in a grease proof paper with some kind of greasy surface preserver..My only miniscule ‘complaint’ would be the blocks would benefit from a cheap blow moulded or plywood case and an extra couple of quid on the price to cover that would add even more value for money.
M**N
Good for the money.
Very useful tool.
P**D
Work well.
They measured up pretty good...Not being a machinist they didn't have to be 100% accurate but they are close enough for my hobby shop works
R**R
Exact dimensions, as promised.
Using these for quick spacing of projects on the drill press. Measured them on arrival, and they are exactly to the dimensions advertised. Shipped with a good helping of grease so corrosion free, one quick wipe down later and they were good to go.
Trustpilot
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