| Place of Origin |
Jiangsu China (Mainland) |
| Brand Name |
Sintoku |
| Dimensions |
all size |
| Material |
Steel |
Description: Cast Steel Shot Hardness: 40-50 HRC 52-56 HRC 56-60 HRC Hardness Deviation: ± 3.0 HRC Durability: 2000-2800 times Microstructure: Tempered Martensite or Sorbite Density: 7.4 g/cm3 Bulk Density: 4.4 g/cm3 Advantage: 1. ingredients stability. 2. high toughness and tensile strength. 3. steel balls to overcome all the weaknesses, no holes, no broken. 4.Life is long.