Use the Multi-Size Block Trimmer to trim your blocks to the exact size you need. Assemble the enclosed pieces to create frames from 2″ x 2″ to 15 1/2″ x 15 1/2″ and hundreds of sizes of squares and rectangles in between. Cut both inside and outside of the frame for maximum flexibility and creativity. Laser cut out of bright green acrylic so you can see the markings on any fabric color. Great for use on quilt blocks, borders, embroidery, cross stitch, fussy cutting and more. Includes 24 interlocking pieces with 6 different sizes (4 of each) to create the perfect size for you project and a reusable storage box to keep the pieces organized. Its like having hundreds of rulers for precise block trimming and fussy cutting in one small package.