Weldtite 1/4″ Precision Ball Bearings, Loose

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 1/4″ Loose Ball Bearings
Precision Bearings, Carbon Steel, Case Hardened, Made in the UK
1/4″ Ball Bearings (1 bag x 24 balls ) used on wheels & bottom brackets
Genuine Weldtite Product, More Bearings Available, Prompt UK Despatch
More Bike Spares Available, Please ensure bearings are compatible with your bike