The Omnigrid 4" x 8"" ruler with 1/8" grid is excellent for miniature quilts and for scrapbooking. Omnigrid rectangle rulers are used for cutting strips and trimming fabric edges during quilt making or when executing a variety of sewing and fabric craft projects. You can use with a rotary cutter or a straight-edge blade. The 1/8" grid markings allow for drafting and cutting. It has multiple degree angle lines for easy pivot of 30°, 45° and 60° cuts. The edge markings allow for accurate measuring and the laser cut edges allow for smooth, deep cutting. The patented double-sight lines show up on light and dark fabrics. It is made from heavy-duty durable acrylic material with left- and right-hand numbering and angle system.Details:4" x 8"Laser cut edgesDouble-sight linesAcrylic