General Tools 1216 12-Inch Flex Stainless Steel Rule The General Tools Precision Flex Steel Rule is a measuring ruler. The markings are black for easier reading and deciphering. The rule is 12 inches long and has a width of 15/32 inches | 12 industrial quality steel rule | Precision made with etched fine black graduations for easy reading and long life | Graduations on reverse are in 32nds 64ths | Width of rule is 15/32 Industrial Precision 12 in. Flexible Steel Rule with 5R Graduations.GENERAL TOOLS - THE PRECISE TOOL FOR DOING THE JOB EXACTLY RIGHT. Offering over 1 000 tools we’re proud to provide tradesmen craftsmen and DIYers around the world with a broad range of affordable specific-purpose mechanical hand tools and precision measuring and inspection tools. We strive to provide our customers with 100% satisfaction. WORK SMARTER MEASURE BETTER & BE MORE PRODUCTIVE WITH GENERAL TOOLS