Jenerates Sewing RulerThis unique ruler starts at zero at both the inside and outside corners so you can use it in whichever way best lets you see your work. There are cut outs to make easy work of adding or subtracting a seam or hem allowance which is great when hacking patterns. The quilter's ruler has a 1 4" square cut out for checking your needle position and marking seam allowances. Useful for bra making too! Made from 4mm thick cherry wood veneer and hand finished