C404R-36 Heavy Spring Tempered Steel Rule with Inch Graduations C404 Steel Rules with Inch Graduations, Heavy Spring-TemperedHeavy Spring Tempered Steel Rule with Inch Graduations, 4R Style Graduations, 36" Length, 1-1/2" Width, 1/10" Thickness The Starrett 36" Heavy Spring-Tempered Steel Rule with Inch Graduation features a satin chrome finish. Graduations at 8ths, 16ths, quick-reading 32nds, 64ths. 36"Â, 4R Grad . FEATURES  Heavy Spring-Tempered  Satin chrome finish  Quick Reading SPECIFICATIONS  Made in America: Yes  Length (in): 36"  Graduation Type: 4R  Graduations: 8ths, 16ths, Quick-Reading 32nds, 64ths  Finish: Satin Chrome  Construction: Heavy Spring-Tempered Steel  Thickness (in): 1/10"  Width (in): 1-1/2"