Speed Demons ABEC 3 Bearings
Grade 10 Carbon Alloy Steel Balls
High Tensile Delrin Cage
Manufactored To The Highest Standards
Diabolically Fast! Speed Demons Abec 3 rated bearings for quality speed & affordabilty!
The imported balls are also honed and polished to an accuracy of 10 microns to make sure they're perfectly round. (Grade 3 is what they use at NASA)