/ Precision Measuring Tools / Precision Hand Tools / Squares / Solid Squares / 20-12 W/SLC * Not actual product image 20-12 Precision Square with SLC 66900 20 Master Precision Squares Steel Master Precision Square, 12", Standard Letter of Certification Master Precision Square is the finest precision-checking non-graduated square with accuracy to .0001" (0.0025mm) every 6" (150mm). This hardened steel square is used when extreme accuracy is required. Features Specifications Product Testimonials California Prop 65 Other similar products 20-1 1/2 Master Precision Square 20-12 Master Precision Square 20-12 Precision Square with SLC 20-24 Master Precision Square 20-3 Master Precision Square 20-36 Master Precision Square 20-4 1/2 Master Precision Square, 4-1/2" Blade 20-6 Master Precision Square 20-6 Precision Square with SLC Contact Starrett Features The beams and blades are hardened, ground and lapped to ensure parallelism and straightness Made of high quality tool steel, with the finest of craftsmanship throughout The beam is grooved at the inner corner for clearance of burr or dirt Specifications Made in America: Yes Blade Length (in): 12" Blade Length (mm): 300mm Beam Length (in): 7" Beam Length (mm): 180mm Material: Steel Product Testimonials Write a product review Write a product review Comments* First Name* Last Name* Email* Occupation The information you provide will be used in accordance with the terms of our privacy policy. I agree to the privacy policy. Please provide the required information. Thank you for submitting a product testimonial on www.starrett.com. By submitting information to Starrett, you acknowledge and give express permission for the L.S. Starrett Company to use and share your statements. California Proposition 65 Warning WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov