TRUSCO Coil Extra Heavy Outer Diameter Free Length Spring, Duty, 40mm, 250mm, T-SSWB40-250

●Spring constant (N/mm): 125.0 ●Outer diameter (mm): 40.0 ●Free length (mm): 250 ●Inner diameter (mm): 20.0 ●d(mm):20●D(mm):40.0 ●L(mm):250●Identification color: Reddish brown ●SWOSC-V equivalent