Centimeters & Inches Ruler Great for Measuring & Converting. This is a new stainless steel ruler. Has a conversion chart on the back that converts inches to millimeters, tap drills and w.w. unf. Measures in centimeters and inches. Graduated in 1/2 mm increments up to 10 cm and 1 mm increments from 10 to 30 cm. Graduated in 1/32" increments up to 3", 1/64" increments from 3" to 4" and 1/16" increments from 4" to 12". It measures up to 30 cm and 12" We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.