Length: 12"/300mm | E/M Graduations: 32nds, 64ths, 1.0mm, 0.5mm | Thickness: 0.020" | Width: 1/2" | Flexible Stainless Steel Construction | White marking on Black High-quality steel: Flexible ruler, Lightweight, slim, and designed to conform to curved or irregular surfaces. Maintains full contact on non-flat work so your contact points and readings stay accurate. Black Nickel Chrome: Featuring a dark nickel-chrome coating over stainless steel, this PEC low-glare measuring tool offers exceptional readability by minimizing reflections and eye fatigue. Dual Units: Incorporates both English and metric measurement scales, allowing to switch seamlessly between inch and millimeter readings for wide application. Made in USA: Since 1960, industrial-grade tools have been manufactured to deliver exceptional American quality. PEC Black chrome rulers offer superior readability in various lighting conditions due to their matte, high-contrast finish, and better rust resistance compared to standard polished steel rulers. Readability: The primary advantage is a zero-glare, high-contrast finish that is easy to read in both dim and bright light conditions, which minimizes eye fatigue. The graduations are typically white-filled for maximum contrast. Corrosion/Scratch Resistance: The black chrome finish provides enhanced scratch and corrosion resistance compared to plain polished steel. PEC Black Chrome Ruler is a durable, professional-grade precision tool made in the USA by Products Engineering Corporation. It is favored by machinists, woodworkers, and engineers for its readability in different lighting conditions.