Races receive 3 cryogenic treatments and a rust proof Magnetite finish
Premium quality CERBEC USA Grade 3 ceramic (Silicon Nitride: Si3N4) balls with Magnetite rust proof finish . Silicone VV seals. Packed with Kyodo Yushi PS-2 grease. Features: All measurements are in millimeters Grade 3 Balls and Magnetite Rust Proof Finish ABEC 5 Precision and Silicone V V Seals 3 Times Cryogenic Race Treatment