3/8" x 6-1/4" x .042" WG Steel Extension Springs

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.