A handy-sized measuring gauge designed to keep next to your sewing machine to assist with quick measurements! See-thru for clear visibility 2 inch square with 1/16 inch to 1 inch grid markings Edge extensions for seam allowance measurements Machine needle holes to quickly gauge which throat plate seam width guide to use 1/4 inch for quilting 3/8 inch and 1/2 inch for apparel and home décor sewing 5/8 inch for apparel sewing Bias lines accessible from any direction Hang hole for easy storage Optical grade laser cut 1/8 inch acrylic with patented 2-color double-site line printing on ruler underside * Made of: Plastic * Use: Measuring