Easy Wood Tools Ci1-R4 Radius Carbide Cutter (1400) Dimensions: 2.0' 5.0' 0.3' Authentic Easy Wood Tools Ci1-R4cutter designed to fit full and pro size roughers; .580" square by .100" thick, 8-32 screw The perfect grade of carbide produces the best combination of sharpness and durability. Optimal grinding process produces the flattest and truest cutting surfaces. The right geometry or cutting angle is ground to the produce an edge the cuts cleanly and safely. Be sure to check out our Ci1 R4 NR - Patented Negative Rake Carbide Cutter when you are ready to turn Resins, Acrylics, Extreme Hardwood, and/or any Man-Made materials. Dramatically eliminates chipping catches and blowouts when used properly. Designed and Manufactured 100% in the USA