General Tools & Instruments 301ME 6 x 1/4 Flex Precision Stainless Steel Rule
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 in mm and 16ths.   The width is 1/4".  The sliding pocket clip allows for use as depth or height gage.