Size - 3/8", 7/16", 1/2", 9/16" (4 Sizes). The package includes 4 pieces ball in total
Material - Made of chrome steel with excellent surface quality, high hardness, high load capacity, and wear resistance.
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, casters, door locks; DIY projects like a keychain or adding weight for your projects, etc.
Notice - Confirm the Ball Diameter before ordering. The ball assortment is packed in a portable storage box and each size is separated.