the 6 1/2 inch square easy-to-read ruler has black & white markings for use with light or dark fabrics. It has a 1inch grid with 1/8inch & 1/4inch marks that makes the cutting process easy and accurate. To add seam allowances jut turn the ruler to use the 1/2 inch marks The grippers keep fabric from slipping when pressure is applied but allows the ruler to move easily across the fabric to measure. The clearly marked 45 degree line is great for easy and accurate half square triangles.
Product: Square ruler Size: 6 1/2" X 6 1/2" Designer: Rachel Cross Manufacturer: Creative Grids USA