Ethically created and fairly priced diamonds meant for a lifetime together.
開閥比 2 : 1 A1 : A2 2 : 1 (A =50%)
開閥比 14.3 : 1 A1 : A2 14.3 : 1 (A =7%)
0.5 kgf/cm²
1.0 kgf/cm²
2.0 kgf/cm²
4.0 kgf/cm²
帶緩沖閥芯
不帶緩沖閥芯