● Free length (mm): 40
● Outer diameter (mm): 20
● D(mm):20
● L(mm):40
● d(mm):10
● Spring constant (N/mm): 61.3
● Spring constant (kgf/mm): (6.25)
● Distinguishing Color: Red
● Material/Finish: SWOSC-V equivalent
● Mass: 43.6 g
● Country of origin: China
● Securities Code: 256 -3043