5/8" x 8-3/8" x .063" WG Steel Extension Springs (3 pcs.)

Diameter: 5/8"
Diameter 2: .063"
Length: 8-3/8"
Material: Spring Steel
Nominal Size: SRM69
Type: Extension Spring
WireDiameter: .063 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.