Starrett 20-12 W/SLC Hardened Steel Master Precision Square, 7" Beam Length, 12" Blade Length Product Description:
- Made of high quality tool steel
- Squareness accuracy to 0.0001" (0.0025mm) every 6" (150mm)
- The beam is grooved at the inner corner for clearance of burr or dirt
- Length of blade from the inner edge of the beam to the end of the blade
- Includes redemption card for standard letter of certification (SLC)
Product Description
This hardened steel square is used when extreme accuracy is required. The beams and blades are hardened, ground, and lapped to insure parallelism and straightness. Made of high quality tool steel, with the finest of craftsmanship throughout.
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By Sam
Yes, you can go on ebay and find 12" machinist squares for $39 and sure they'll "do the job" for most... but if you NEED .0001" accuracy and demand the finest in workmanship, you have little choice but to shell out for the Starrett 20 series squares. The single biggest fault it has is a lack of protective case (for the price, I'm surprised; heck, even a Chinese made one).. Otherwise, this is a top notch professional tool, worthy of the Starrett name. Stay away from the 3020 line of squares which might look the same, but are no anywhere close to as accurate, and hardly cheaper...Pros-First quality tool steel-Most accurate of all squares on the market-good workmanship-Starrett reputationCons-Not the best packaging (comes in several boxes, well protected, but nothing you can reuse, like a wooden box or anything-Finish is "ok" but not what I'd expect for a $600 Starrett... the brush finish is ok, but it's uneven and there are occasional scratches that don't' go in a uniform direction-no "Made in USA" or "Starrett USA" markings... this is reminiscent of the Snapon removal of USA on the 80 series ratchets... suspicious at best, and down right scary at worse.. I know this tool was US made, but I want to see it on the tool to give me that warm and fuzzy and assure me that Starrett will make it's replacement here as well!
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