1-3/8" x 0.224" x 7" Steel Extension Springs

Diameter: 1-3/8"
Diameter 2: 0.224"
Length: 7"
Material: Spring Steel
Nominal Size: SRM81
Type: Extension Spring
WireDiameter: .224 WG

Box of 2.

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.