30cm Rigid Machinist Rule Ruler Hardened Spring Steel 4R Graduations in 0.3cm , 0.2cm , 0.08cm and 0.04cm MRSAE-12

Taytools 12" Rigid Machinist Rule Ruler Hardened Spring Steel 4R Graduations in 1/8", 1/16", 1/32" and 1/64" MRSAE-12

Taytools 24" Rigid Machinist Rule Ruler Hardened Spring Steel 4R Graduations in 1/8", 1/16", 1/32" and 1/64" MRSAE-24

Taytools 6 Inch Rigid Machinist Rule Ruler Hardened Spring Steel 4R Graduations in 1/8, 1/16, 1/32 and 1/64 Inches MRSAE