This 20" x 5" non-slip quilting ruler by Omnigrid is an essential tool for any bag maker’s studio. This size ruler is our go-to for drafting pattern pieces or drawing guide marks. It is transparent neon green with easy-to-read black lines, a right and left-hand numbering system, and 1/8" markings for precise measurements. Use this ruler with a marking tool or with a on a self-healing cutting mat for cutting fabric and leather.