General Tools 1201ME 12-Inch Flex Precision Stainless Steel Rule General Tools industrial precision rules are made with etched fine black graduation for easy reading and long life Ultra fine etched black graduations show rule graduations of 0.5mm, 32nds, 8ths, and 16ths This line gauge features a polished stainless steel finish with an overall length of 330 mm (13 inchese) and width of 22 mm(7/8 inches) Ruler also features a hanging hole