Fiberglass Folding Rule, Model 1619F, 6 ft, SAE, 6 in Inside Flat Reading ORS NASCO so these feature flex point

so these feature flex point temples for comfort and stability|Use them for men and women in a variety of work environments|Features single-lens wraparound protection that's designed for use at work or home|High-performance

twist-resistant blade anchor|Special heat-treated shafts

loops solid and stranded wire|Spring-loaded action for self-opening|Easy-to-read wire gauge markings on both sides for stripping in either direction|Hardened steel with precision ground stripping holes|Black-oxide finish resists corrosion

Constructed of drop-forged carbon steel|Self-colored finish|Working load limit permanently shown on every shackle||

unilens design allows for wide-field peripheral vision|Indirect ventilation channels on the foam and subframe provide superior dust filtration keeping debris out of the eyes|Uvextra® anti-fog coated lens reduces fogging

Fiberglass Folding Rule, Model 1619F, 6 ft, SAE, 6 in Inside Flat Reading ORS NASCO so these feature flex pointPrecision made of flexible heavy duty fiberglass with embedded, easy to read boldface figures and graduations with 16 inch stud marks and positive locking joints No. 1602 is graduated on one side in millimeters with red markings every 10 cm, reverse side reads in inches