5/16" x 2-13/16" x .035" WG Steel Extension Springs

Diameter: 5/16"
Diameter 2: .035"
Length: 2-13/16"
Material: Spring Steel
Nominal Size: SRM17
Type: Extension Spring
WireDiameter: .035 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.