Includes 30, 45 and 60 degree angles. Marked with 1/8" grid; 3" square. Easy to manipulate for quick cuts. Marked for left or right hand use. Uses include: Cutting squares from strips. Cutting strip sets into segments. Cutting pieces for miniature quilts. Trimming foundation piecing. Cutting diamonds, triangles and hexagons. Use for Seminole patchwork.