Graduations are produced via a photoengraving process creating very consistent and accurate markings with uniform line widths. These 6” flexible machinist rules feature 5R markings with 10ths and 100ths markings on one side and quick-reading 32nds and 64ths on the reverse side Overall size is 6 inches long by 1/2 inch wide by .020 inches thick Buy Plastic Hamonica Childen's Toy 5-hole Kindegaten Elementay School Student Playing Instument Music Mini Hamonica Gift at Benchmark Tools 466583 Flexible 6 Inch 5R Machinist Rule with 1/10, 1... I Tested the Versatility of the Machinist Ruler 6 Inch and Here's What These rules are made from Japanese rust-resistant stainless steel that has been tempered creating a measuring tool that can flex if needed but will snap back straight. Finish is black chrome. 5r Ruler Benchmark Tools 466583 Flexible 6 Inch 5R Machinist Rule With 1 10 1 100 1 32 And 1 64 Markings Tempered Stainless Steel Zero Glare Black Chrome Finish Conforms To Eec 1 Accuracy Standards 1 Machinist Tools Each rule comes in vinyl storage pouch. These are well made rules and will provide years of reliable service in any shop, studio, clinic, lab, classroom or home environment. When used correctly, a good steel rule is a surprisingly accurate measuring device. A good, quality machinist rule is an indispensable tool used by machinists, woodworkers, architects, draftsman, scientists, students, DIYers and more. Black chrome finish provides scratch and corrosion resistance and maximizes readability by achieving a zero-glare, high-contrast, EZ read finish that enhances readability in both low and bright light conditions.