Easy to Use: The set includes 2 piece of 12 inch (30cm) ruler and 2 piece of 6 inch (15cm) ruler. For easy measurements there etches on either surface of the rulers two rows of graduations on the upper and the lower side. Precise Metric and Imperial Graduations: On both the 12 inch and 6 inch metal rulers the graduations are accurately etched in inches on one surface and centimeters on the other. Graduation of inch is marked by every 1/20 inch and 1/32 inch for the first 2.5/3 inches; then marked by every 1/10 inch and 1/16 inch. Good Quality: The rulers are made of industry grade stainless steel to prevent rust and corrosion. The graduations are itched for long duration. Widely Used: The rulers are commonly used for marking and measuring. They are a must have for carpenters, architects,engineers,drywallers, DIYers, students, teachers, office workers and more. This stainless steel rule set includes one 12 Inch and one 6 Inch ruler to use in different environments. Stainless steel will last a lifetime. The rulers won't get pitted and worn on the edge like plastic ones. And the rulers have imperial and metric measurement units, perfect for use in workshop, school, home and office. Length: 12 inch (300mm), 6 inch (150mm) 12 inch Dimensions: about 33 x 03.5 x 0.5cm 6 inch Dimensions: about 17 x 2 x 0.5cm Material: Stainless steel Thickness of each ruler: 0.7 mm/ 0.03 inch Color: Silver Package Included: 2 x 12 inch ruler 2 x 6 inch ruler