1/2 x 9 x .055 WG Steel Extension Springs (3 pcs.)

Diameter: 1/2 Diameter 2: .055 Length: 9 Material: Spring Steel Nominal Size: SRM70 Type: Extension Spring WireDiameter: .055 WG Box of 3. 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.