Package Includes: The precision steel bearing ball classification kit is 0.22 inch / 5.5 mm, total 330pcs
High-Quality Material: It is made of 304 Stainless Steel, high-precision machine, corrosion-resistant, high-precision, high-hardness, smooth and burr-free
Precision Bearing Balls: It is used for friction reduction. these bearing precision balls are installed between the inner and outer rings. When the machine bearing rotates, they will help reduce friction and damage
Wide Application: Widely used in motorcycles, bicycles, casters, household furniture, door locks, drawer slides and many other applications
Note: Do not wash with water, gasoline can be used for cleaning