.250″ (1/4″) Dia. Carbide Balls
.250″ (1/4″) Tungsten Carbide BallsPrecision Ground Carbide BallsTolerance (-.00008/+.00008″)
.3125″ (5/16″) Dia. Carbide Balls
.375″ (3/8″) Dia. Carbide Balls
.500″ (1/2″) Dia. Carbide Balls