For straight tubes 1 1/8"- 1 1/4"(29-32mm) I.D.
or for curved tubes 1 1/4" - 1 3/8" (32-35mm) I.D.
Cone Cutter Assemblies are designed for removing scale deposits from straight and curved tubes. Assemblies should be slightly smaller than tube I.D. The innovative design of the cones ensures a thorough cleaning. In watertube boilers, cone cutters are the most effective cleaning tools for all conditions. **Search Accessories for RCO-100 replacement cones**