25 3/16" Silicon Nitride ceramic Si3N4 bearing balls

25 3/16" Silicon Nitride ceramic Si3N4 bearing balls,Nitride ceramic Si3N4 bearing balls 25 3/16" Silicon, These ceramic bearings are stiffer than steel bearings balls and weigh less,Si3N4 ceramic, Our Featured Products Guaranteed 100% Authentic Get your own style now! Up to 80%. Silicon Nitride ceramic Si3N4 bearing balls 25 3/16".

25 3//16/" Silicon Nitride ceramic Si3N4 bearing balls
25 3//16/" Silicon Nitride ceramic Si3N4 bearing balls