The Little Bike Shop Weldtite 3/16″ Ball Bearings, Loose Precision Bearings, 1 bag x 24 balls

What is the difference between Weldtite ball bearings and other brands. The accuracy of the ball bearings and their ability to last and not shatter in use, Weldtite ball bearings are British made and are accurate to 1 micron. They are case hardened not through hardened as that leads to brittleness
Weldtite 3/16″ Precision Bearings Loose
Precision Bearings, Carbon Steel, Case Hardened, Made in the UK
3/16″ Ball Bearings (1 bag x 24 balls ) used on wheels & headsets
Quality Weldtite Product, More Bearings Available, Please ensure bearings are compatible with your bike
Prompt UK Despatch