COARSE RUBY Give your carvings the award winner’s edge with Ruby jewel points! Universally accepted by top carvers, Coarse Ruby points cut & shape quickly with little regard to grain direction, yet leave a surprisingly smooth finish. Ruby will outlast conventional steel cutters by many times. Selection includes the 6 most useful Ruby shapes for general carving. Top speed 30,000 RPM. Shanks 3/32", Length 2". Switzerland.