1pcs 300mm Dual Hook Tension Spring Sping Steel Expansion Extension Sping Wire Diameter 0.3-0.8mm Outer Diameter 3-10mm
https://www.vogueparade.com/shopping/EN/42/1/1005003267985008/1pcs-300mm-dual-hook-tension-spring-sping-steel-expansion-extension-sping-wire-diameter-03-08mm-outer-diameter-3-10mm//