4R (1/64" & 1/32" on one side and 1/16" & 1/8" on reverse). Up for fixed price is a set containing 6" and 12" 4R stainless steel rules. These rules are made from hardened stainless steel with ground edges and have a brushed finish.
Taytools 24 Rigid Machinist Rule Ruler Hardened Spring Steel 4R Graduations in 1/8, 1/16, 1/32 and 1/64 MRSAE-24 : Tools & Home Improvement
Benchmark Tools™ Rigid 300mm (12) English/Metric Brushed Steel Machin — Taylor Toolworks
Taytools Set 6 & 12 Machinist Ruler Rule 4R (8th 16th 32th 64th) Stainless
This rule is made in the USA by Products Engineering Company (PEC Tools), a premier US tool manufacturer. It is made from the finest stainless steel
PEC Tools USA 12 Rigid Stainless Steel 4R Machinist Ruler/Rule 1/64, 1/32, 1/8 1/16
TAYTOOLS 24 Machinist Ruler Rule 4R (8th 16th 32th 64th) Stainless Steel $17.99 - PicClick
Metalworking Rules for sale
VINTAGE STARRETT NO.607 24 No.7 Grad. Graduated Flexible Tempered Steel Rule $47.99 - PicClick
Taytools Set 6 & 12 Machinist Ruler Rule 4R (8th 16th 32th 64th) Stainless
6 4R (1/8, 1/16, 1/32, 1/64) Stainless Steel Machinist Ruler/Rule Scale
12 in Length Metalworking Rules for sale
Taytools Stainless Steel 4R Machinist Rulers 6 to 24 — Taylor Toolworks
Taytools Set 6,12 & 24 Machinist Ruler Rule 4R (8th 16th 32th 64th) Stainless