Steel Rules with Inch Gradua tions 1-144" All rules furnished with Starrett satin chrome finish, except where noted.Additional sizes and variations available by special order. Precision Rules 36" Spring-Tempered Steel Rules with Inch Graduations Cat. No. EDP Length Width x Thickness Graduations Feature Remarks C604R-36 52682 36" 1-1/4 x 3/64" 4R – 8ths, 16ths, Quick-Reading 32nds and 64ths CH604R-36 52677 With Hook C607R-36 56436 36" 1-1/4 x 3/64" 7R – 16ths, Quick-Reading 32nds, 64ths, Aircraft Quick-Reading 100ths 36" Heavy Spring-Tempered Steel Rules with Inch Graduations Cat. No. EDP Length Width x Thickness Graduations Feature Remarks C404R-36 51485 36" 1-1/2 x 1/10" 4R – 8ths, 16ths, Quick-Reading 32nds and 64ths C404R-36 W/SLC 66888 With Standard Letter of Certification† CH404R-36 51495 With Hook C416R-36 51510 36" 1-1/2 x 1/10" 16R – Quick-Reading 32nds, 64ths, AircraftQuick-Reading50thsand100ths CH416R-36 51520 With Hook 48" Spring-Tempered Steel Rules with Inch Graduations Cat. No. EDP Length Width x Thickness Graduations Feature Remarks C604R-48 52683 48" 1-1/4 x 3/64" 4R – 8ths, 16ths, Quick-Reading 32nds and 64ths C607R-48 56437 48" 1-1/4 x 3/64" 7R – 16ths, Quick-Reading 32nds, 64ths, Aircraft Quick-Reading 100ths 48-144" Heavy Spring-Tempered Steel Rules with Inch Graduations Cat. No. EDP Length Width x Thickness Graduations Feature Remarks C404R-48 51486 48" 1-1/2 x 1/10" 4R – 8ths, 16ths, Quick-Reading 32nds and 64ths C404R-48 W/SLC 66889 With Standard Letter of Certification† CH404R-48 51496 With Hook C416R-48 51511 48" 1-1/2 x 1/10" 16R – Quick-Reading 32nds, 64ths, AircraftQuick-Reading50thsand100ths CH416R-48 51521 With Hook C404R-72 51488 72" 1-1/2 x 1/10" 4R – 8ths, 16ths, Quick-Reading 32nds and 64ths CH404R-72 51498 With Hook C416R-72 51513 72" 1-1/2 x 1/10" 16R – Quick-Reading 32nds, 64ths, AircraftQuick-Reading50thsand100ths CH416R-72 51523 With Hook C404R-96 56191 96" 1-1/2 x 1/10" 4R – 8ths, 16ths, Quick-Reading 32nds and 64ths CH404R-96 56474 With Hook C416R-96 56197 96" 1-1/2 x 1/10" 16R – Quick-Reading 32nds, 64ths, AircraftQuick-Reading50thsand100ths CH416R-96 56477 With Hook C404R-120 56192 120" 1-1/2 x 1/10" 4R – 8ths, 16ths, Quick-Reading 32nds and 64ths CH404R-120 56475 With Hook C416R-120 56198 120" 1-1/2 x 1/10" 16R – Quick-Reading 32nds, 64ths, AircraftQuick-Reading50thsand100ths CH416R-120 56478 With Hook C404R-144 56193 144" 1-1/2 x 1/10" 4R – 8ths, 16ths, Quick-Reading 32nds and 64ths CH404R-144 56476 With Hook C416R-144 56199 144" 1-1/2 x 1/10" 16R – Quick-Reading 32nds, 64ths, AircraftQuick-Reading50thsand100ths CH416R-144 56479 With Hook All C404R and C416R Rules furnished with hole in end for hanging. † Includes redemption card for Standard Letter of Certification (SLC). 292 P recision R ules , S traight E dges , P arallels