Certified Stainless Steel Rulers are each individually marked with a unique serial number and packaged with a certificate of accuracy with the same serial number as the ruler. The certificate of accuracy is traceable to NIST ( National Institute Of Standards and Technology ).
These rulers are suitable for use with most quality programs such as IS09000 that require certified measuring tools.
The rulers are single sided featuring an inch scale in 1/32" and a metric scale in mm. The rulers are 1" wide, 0.030" thick and manufactured from stainless steel with engraved and black filled graduations and graphics. Each ruler has rounded safety corners and a convenient 1/4" diameter hang hole at one end.
All graduations and markings are etched and black filled.
Historical Model #s: 2020, 2020A, 2020A-06, 2020A-06A, 2020A-12, 2020A-12A, 2020A-24, 2020A-24A, 2020A-36, 2020A-36A, 2020A-48, 2020A-48A