Features easy-to-read lines for marking and measuring fabric, as well as multiple angles. Each ruler has a unique non-slip coating that makes for more accurate cutting! The one-inch lines with two sets of corresponding numbers that are placed around the perimeter of the ruler can be read left to right AND right to left - which means you never have to lose your place or count backwards! Makes squaring blocks easier than ever! Available in multiple sizes. Easy to read lines for marking and measuring your fabric - 1/8-inch, 1/4-inch, 1/2-inch, 3/4-inch and 1-inch markings as well as multiple angles. Unique Non-Slip Coating. One inch lines with two sets of corresponding numbers are placed around the perimeter of the ruler and read left to right and right to left - never lose your place or have to count backwards! This ruler features an exact measurement around the perimeter - no more accidental cuts and squaring your blocks has never been easier!