Material:SS201,SS301,SS304 Spec.:12",14",16",18",24",36" Bar thickness:2.0,2.5,3.0(mm) Square slot:width 22mm OEM service 22mm square slot ,Non-handed ,Heavy-duty friction stays ,Suitable for side-hung outward opening casement PVC steel window or aluminium windowComposite steel/PVC slider for strength ,Durability and smooth operationBe made of grade 304 stainless steel for maxium strength and ...