90 degree 1.5” Slotted Ruler - There are 5 slots 1-1/2 inches apart allowing you to stitch double lined Piano Keys down a border accurately and quickly. There are etched lines for easily sliding the template and adding stitch lines at 3/4 inch intervals. This template has a Medium slot width. This template is sized for the Innova and similar sized Hopping Feet. Watch the videos at www.terylloy.com for instructions on how to use this template.