PACKAGE INCLUDED: 10 Pcs 1 Inch Chrome Steel Precision Balls
HIGH QUALITY MATERIAL: High-grade chrome steel, well construction, high hardness, strong and durable, no deformation. High hardness, they could serve for a long time
SMOOTH SURFACE: Round and smooth, no residual burr, free of cracks and chips
EXCELLENT PERFORMANCE: Because its high temperature resistance have been greatly improved. Strong built precision balls and they are good to prevent corrosion and improve lubrication
WIDE APPLICATION: Our precision balls can be widely used for physical therapy, fidgeting, stress relief, massage