The perfect companion for anyone who loves to work with the 10 inch pre-cuts on the market. The diagonal line makes trimming half-square triangles created with 10 inch squares a piece of cake. Features easy-to-read black and white markings printed in 1 inch grids marked in 1/8 inch and 1/4 inch increments. Use the easy-to-read, black numbers (printed on white dots) and the 1/4 inch grip sides to cut whole inches. Use the patented Turn-A-Round feature to add the 1/2 inch seam allowance., Weight: 0.5 pounds, Manufacturer: Custom Quilts, Inc