Feature(may vary by option.)

●The hardness of the bearing steel ball can reach 60-63°, high hardness, abrasion resistance, and long service life
●The hardness of the bearing steel ball makes it more value and less likely to break during use
●The surface of the bearing steel ball is heat treated and polished to smooth surface
●Can be used for bicycles, bearings, pulleys, sliding rails, crafts, shelves, universal balls, luggage, small hardware, and other media polishing
●Size: 5mm-1kg, 6mm-1kg, 7mm-1kg, 8mm-1kg, 9mm-1kg

[9MM]

Description

Material: bearing steel
Hardness: over 60 HRC
Size: 5mm-1kg, 6mm-1kg, 7mm-1kg, 8mm-1kg, 9mm-1kg