Easy to use and sharpens your rotary blade with every pass.
Perfect for rotary cutting, the see-through non-skid frosting keeps these rulers from sliding, yet you can still see your fabric through it. The red grid system allows for easy square up and the diagonal has dots large enough to see for fabric positioning. The large numbers make your measurements easy to read. The 700 grit diamond carbide edge keeps your blades sharp with every pass. Sharpens any size blade. No air shipments.