With this four patch tool, you will be able to experience the speed and accuracy that you have been looking for. You will be sewing a strata of strips together and cross cutting with this simple tool. The perfection of your units are only a moment away. Comes with a starter book containing 6 patterns and color photos. Non glare and non skid finish. Chart for creating four patches from 1in up to 10 in finished. Template itself measures 6-1/2in x 10-1/2in.