Easy Wood Tools has done it again, designing the first carbide cutters intended specifically for turning man-made materials such as resins and acrylics, as well as super dense hardwoods. Our Patented Negative Rake Carbide Cutters not only greatly reduce chipping and catches, they leave an ultra-smooth finish. Easy Wood Tools has done it again, designing the first carbide cutters intended specifically for turning man-made materials such as resins and acrylics, as well as super dense hardwoods. This Ci5 Round Negative Rake Carbide Cutter is designed to fit existing Easy Wood Tools with corresponding Ci5 bar, Mid-Size Easy Hollower No. 1, Mid-Size Easy Hollower No. 2, and Mid-Size Easy Hollower No. 3.