Precision Rules Inch Gradua tion Styles *  Suffix "R" designates Quick-Reading graduations NOTE:  All rules under 1" in width have single row of inch figures. Rules 1" and wider have double row of inch figures, and each edge represents the bottom edge reading left to right. 7R* First Edge: 100ths Second Edge: 64ths Fourth Edge: 32nds Third Edge: 16ths 9R* First Edge: None Second Edge: 64ths Fourth Edge: 16ths Third Edge: 32nds 10R* First Edge: 64ths Second Edge: 32nds NO.11 First Edge: None Second Edge: 100ths Third Edge: None Fourth Edge: 64ths 16R* First Edge: 50ths Second Edge: 100ths Fourth Edge: 32nds Third Edge: 64ths 287 starrett.com P recision R ules , S traight E dges , P arallels