3/8" x 4" x .038" WG Steel Extension Springs (6 pcs.)

Diameter: 3/8"
Diameter 2: .038"
Length: 4"
Material: Spring Steel
Nominal Size: SRM46
Type: Extension Spring
WireDiameter: .038 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.