All struts are made of structural steel, which ensures adequate strength and stiffness. Each strut is powder painted on black mat, under the varnish there is a zinc primer, which prevents corrosion. The main advantages and reasons for using struts.Stiffening of the bodywork -better driving in the corners -recommended for sports suspension -improves driving comfort -prevents the windshield from cracking -recommended in every older car -they prevent the collars from "collapsing". If you have any questions write to us. This item is in the category "Vehicle Parts & Accessories\Car Parts & Accessories\Steering & Suspension\Shocks, Struts & Assemblies". The seller is "qualitytuning_fr" and is located in this country: PL. This item can be shipped worldwide.