Item Name: Tension Spring Hook Spring Double Ear Tension Spring Extension Spring. Outer diameter: 4mmNet weight: 30g100 brand new and high qualityInner diameter: 3.2mmQuantity: 100pcsWire diameter: 0.4mmMaterial: stainless steelLength: 6.1mmPackage includes: 100*spring Notes Due to manual measurement or shooting scenes, there may be some deviation or slight color difference. *Please make
