PRYM-O'Lipfa: Safety Shield. This safety shield is designed for use with any 24-inch-long rotary cutting ruler. It comes with an adhesive strip making it easy to attach and once in place will shield fingers from rotary cutter blades. It also adds stiffness to the ruler and helps you to pick it up. It is made from heavy acrylic and measures 22 inches long. This package contains one safety shield. Made in USA.