Product Name: Spring (Nom du produit: Ressort de Buy Aexit M65 304 Clamps Stainless Steel Two Hole Pipe Straps Tension Tube Clip C Clamps Clamp 6pcs Heavy Duty Extension Spring 1mm Wire Dia 6mm Outer 300mm Long Manganese Steel Tension Spring Black Black Extension Spring 4 Major Differences between Spring Steel and Manganese Steel The Extension Springs give resistance to a pulling force and become longer under load, applications include balance scales,garage doors,washing machines,oven door and applications which requiring various types of tensioning devices., Description in French2., 5mm x 18mm x 90mm acier manganèse noir pour tendre ressort porte fourCouleur: Noir; diamètre du fil: 2,5 mm/0,1Diamètre extérieur: 18mm/0., 71; Matériau: Acier au manganèsePoids: 45 g; Contenu de l'emballage: 1 x ressort de Longueur totale: 90mm/3., 5''Nom du produit: Ressort de Spring Steel Plate 65MN Manganese Sheet Board 0.5m... – Vicedeal Aexit 2., 5mmx18mmx90mm Manganese Steel Spring Black for Oven Door (e798d956578e0c42e1c4f8e87dd31975)Made of manganese steel material,with highly abrasion resistance,durable to use.