Covington Cast Iron Cutter Cups - Set of Three

Covington Cast Iron Cutter CupsSet of Three   These cutter cups are designed to provide maximum grinding surface contact while allowing for imperfections in the preformed spheres. The soft, cast-iron material allows the grit to embed itself in the cutter cup, resulting in a faster grind. Many lapidary and glass artists prefer to use these high quality cups. This item is sold in a set of 3 pieces for use with three headed sphere machines.