3/8 x 6-1/4 x .042 WG Steel Extension Springs SPRE-337 (6 pcs.)

Diameter: 3/8 Diameter 2: .042 Length: 6-1/4 Material: Spring Steel Nominal Size: SRM77 Type: Extension Spring WireDiameter: .041 WG Box of 6. Extension springs are wire coils designed to become longer under load. Their turns are normally touching in the unloaded position and they have a hook loop or some other means of attachment at each end.