Feature(may vary by option.)

●Size: 6mm, 7mm, 8mm
●These steel balls are made of high quality carbon steel and can withstand heavy impact, long service life and long life
●Carbon steel material, increase carbon content, reduce steel strength, hardness, plasticity, deformation, and welding
●Smooth surface, no oil or water, carbon steel, strong and durable
●Strong and strong antioxidant ability, accurate combination of high quality components

[8mm]

Description

Material: Carbon steel
Scope of application: warehouse, skating, sliding, handicrafts, shelves, outdoor etc.
Size: 6mm, 7mm, 8mm