Features: -19 slots for cutting curved shapes for quilting -slots range in size from radius of 4" - 13" -lines on the ruler indicate placement of fabric for cutting concave and convex shapes (quarter circle, half circle, full set-in circle, orange peel). -transparent non-slip surface on back of ruler -instruction insert includes basic directions for use -intended for use with typical rotary cutter

* Made of: Acrylic * Use: Quilting Ruler * Size: 16-1/2in x 16-1/2in