1/2" x .055" x 3-9/16" Steel Compression Springs SPRC-295 (6 pcs.)

Diameter: 1/2"
Diameter 2: .055"
Length: 3-9/16"
Material: Spring Steel
Nominal Size: SRM169
Type: Compression Spring
WireDiameter: .055 WG

Box of 6.

Compression springs are coils designed to become shorter when loaded. Their turns are not touching in the unloaded position, and they need no attachment points.