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📏 Elevate your precision game with the ultimate 1-2-3 block set!
The LLDSIMEX 1" x 2" x 3" Precision Steel 1-2-3 Blocks feature ultra-precise ground tolerances of ±0.0001", 23 holes including 5 tapped for versatile use, and squareness within 0.0002" per inch. Crafted from case-hardened steel and precision ground on all six sides, these blocks are essential tools for setup, layout, and inspection jobs, delivering unmatched accuracy and durability for professional applications.










| ASIN | B07QWSL7TJ |
| Best Sellers Rank | #58,603 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #13 in Dimensional Calibration |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,193) |
| Date First Available | April 23, 2019 |
| Item Package Quantity | 1 |
| Item Weight | 2.02 pounds |
| Item model number | BLOCK 123 |
| Manufacturer | LLDSIMEX |
| Material | Steel |
| Part Number | BLOCK 123 |
| Product Dimensions | 3 x 2 x 1 inches |
| Size | 1" x 2" x 3" |
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