The 100" Steel Edge Rhino Ruler is the ideal safety ruler when cutting Gatorboard, Coroplast, foamcore, etc. This ruler features durable light-weight aluminum construction and a comfortable, no-pinch curved guard that protects the user's hand while the high-tech, super grip backing ensures stability when cutting. The 100" Steel edge Rhino Ruler has an extra wide, 3.6" base, a chromium steel cutting edge that is guaranteed straight and comes in a tough red powder-coated finish. Trim straight, trim fast, trim safely - order your Rhino Ruler today. Available in multiple sizes.