Description: Four quarter square triangles sewn together form a 4 1/2" finished square with the straight grain on the outside edges of the square. Combine with the GO!® Square-5" (55010) charm square or GO®! Half Square-4½" Finished Triangle (55397) to create a variety of different 9" quilt block designs. Cuts 3 triangle shapes of up to 6 layers of cotton fabric at a time. Die includes seam allowance and dog-eared corners. Use with AccuQuilt GO! and GO! Baby die cutters, and a 6'' x 12'' cutting mat.