Starrett C604R-4 Spring Tempered Steel Rule With Inch Graduations, 4R Graduations, 4" Length, 5/8" Width, 3/64" Thickness Satin chrome finish Graduations: No. 4R - 1/8", 1/16", quick reading 1/32", 1/64" Rules with single row of inch figures (all rules under 1" width) Measurement Graduations: 1/8 inches, 1/16 inches, 1/32 inches, 1/64 inches