1/2" x 0.047" x 4" 18-8 Stainless Steel Extension Springs (3 pcs.)

Diameter: 1/2"
Diameter 2: .047"
Length: 4"
Material: Stainless Steel
Hardness: 18-8
Type: Extension Spring

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.