1NT-R12x1 – 12″ x 1″ Omnigrid Clear Ruler 2017-03-13 /0 Comments/in Drafting and Marking, Notions Needles Thread Tools Clear Plastic Ruler, Clear Ruler, Omnigrid Ruler, Pyrm Ruler Products 12″ x 1″ Omnigrid Clear Ruler Our 1″ x 1″ Omnigrid Clear Ruler is great for using with your rotary cutter, to accurately cut strips and bias strips. The ruler is 12 inches long by 1 inch wide. SKU#NT-R12x1