General Tools industrial precision rules are made with etched fine black graduation for easy reading and long life. Ultra fine black graduations on the ruler show graduations of mm 16ths. This line gauge features a polished stainless steel finish with an overall length of 150 mm 6 inches and width of 12 mm 15/32 inches. Ruler has a blank second side . GENERAL TOOLS - THE PRECISE TOOL FOR DOING THE JOB EXACTLY RIGHT. Offering over 1 000 tools were 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. For inquiries please contact our Customer Service Department at 212-431-6100. We strive to provide our customers with 100% satisfaction. WORK SMARTER MEASURE BETTER & BE MORE PRODUCTIVE WITH GENERAL TOOLS This 6 Flex Precision Economy priced stainless steel rule has etched black graduations for easy reading and long life. The graduations on side 1 are mm and 16ths. The width is 15/32 . The sliding pocket clip allows for use as depth or height gage.