Authentic Easy Wood Tools Ci4 Diamond Carbide Replacement Cutter for Easy Start, Mini, Mid, Full and Pro Size Detailers Lathe Woodturning Tools Ci4 Authentic Easy Wood Tools 100% manufactured in the USA by the leader in carbide insert lathe woodturnings technology Ci4 diamond carbide cutter fits all Detailers ; 1.08" x .390" diameter x .100" thick; 4-40 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.