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Manufacturer : Starrett
Brand Name : Starrett®
Country Of Origin : US
Finish : Plain
Material : Hardened Steel
Measuring System : SAE
Package Description : EACH
Standards : PROP65: This product can expose you to chemicals including: Diisononyl phthalate (DINP)/which is known to the State of California to cause cancer and Di-isodecyl phthalate (DIDP)/which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Product Status : Active
- The finest precision-checking squares - not graduated
- Squareness accuracy to .0001 in (0.0025mm) every 6 in (150mm)
- These hardened steel squares are used when extreme accuracy is required
- The beams and blades are hardened, ground and lapped to ensure parallelism and straightness
- The beam is grooved at the inner corner for clearance of burr or dirt
- Made of high quality tool steel, with the finest of craftsmanship throughout
- The Starrett 20 Master Precision Square is the finest precision-checking square. Squareness accuracy to .0001" (0.0025mm) every 6" (150mm). This hardened steel square is used when extreme accuracy is required. The beams and blades are hardened, ground and lapped to ensure parallelism and straightness. The beam is grooved at the inner corner for clearance of burr or dirt. Made of high quality tool steel, with the finest of craftsmanship throughout. 12" (300mm) Blade, 7" (180mm) Beam.


