The Mitutoyo 182-101 Steel Rule is a measuring and layout tool made of stainless steel. It has a length of 6.1 inches and a depth of 1 inch. The ruler has 8/16/32/64ths graduations, allowing for accurate measurements. The tool is rigid and has a weight of 0.07 pounds. It comes with a 1-year manufacturer warranty and is made in Japan. With this ruler, you can easily measure and mark lengths with precision.