b'PRECISION STEEL RULESC303r, C306r, C309r, C310rquaRes and ulesSTEEL RULES WITH INCH GRADUATIONSAll rules furnished with Starrett satin chrome finish.F EaturEss R Full-Flexible Semi-Flexible Spring-tempered Heavy spring-temperedCat. No. EDP Length Width x Thickness Graduation Feature RemarksC303R-6* 51334 6" 1/2" x 1/64" 3RQuick-Reading 10ths, Aircraft Quick-Reading 50ths, 32nds and 64ths Full-FlexibleC304R-6* 66008 6" 4R8ths, 16ths, Quick-Reading 32nds and 64thsC304SRE-6* 51343 6" 3/4" x 1/50" 4R8ths, 16ths, Quick-Reading 32nds and 64ths; End Graduations in 32nds Both Ends, One Side Semi-FlexibleC305R-6*51347 6" 1/2" x 1/64" 5RQuick-Reading 10ths, Aircraft Quick-Reading 100ths, 32nds and 64ths Full-FlexibleC316R-6* 51374 6" 16RQuick-Reading 32nds, 64ths, Aircraft Quick-Reading 50ths and 100thsC303SR-12 51336 12" 1" x 1/50" 3RQuick-Reading 10ths, Aircraft Quick-Reading 50ths, 32nds and 64ths Semi-FlexibleC304SRE-12 51344 12" 4R8ths, 16ths, Quick-Reading 32nds and 64ths; End Graduations in 32nds Both Ends, One SideC305R-12* 51348 12" 1/2" x 1/64" 5RQuick-Reading 10ths, Aircraft Quick-Reading 100ths, 32nds and 64ths Full-Flexible* Indicates rules with single row of inch figures (all rules under 1" width)C303R-6C304SRE-12starrett.com 75'