uxcell Precision Balls 7.5mm Solid Chrome Steel G10 for Ball Bearing Keychain Wheel 20pcs

Features

• [SIZE] - 7.5mm Diameter Grade G10 Precision Balls
• [MATERIAL] - Made of Chrome Steel(AISI 52100), features with polishing smooth surface, great wear-resistant and high hardness
• [FEATURES] - Wide range of applications(maintain industrial equipment or use for family DIY projects); Cost-effective(can repair existing products)
• [APPLICATIONS] - Maintain product that uses steel balls, such as ball bearings, turntable, drawer slides, wheels, door locks; DIY projects like keychain, rolling ball games, etc.
• [NOTICE] - They are solid balls WITHOUT magnetic but they can be attracted by magnet