This Omnigrid® Omnigrip™ Non-Slip Neon rulers is made especially for quilting, sewing and crafting projects. Easy to use with a clear background and neon lines, this 2.5" x 8" ruler can be used for cutting and squaring. It’s diagonal lines can also be used for triangle cuts. This ruler can be used with either your right or left hand. It has a clear background and neon lines. An extra 1/2" included on two sides for quilting seam allowance.RULER 2.5"x 8"