1.Material:Brass 2.Guarantee quanlity 3.Different sizes adn finishing 4.20 years experience manufactry DetailsA.Production Name: Brass barrel hinge /Conceal hinge,Guangdong factoryB.Material:brassC.Finishing:Chrome,Satin,Golden ,ect.D.Thickness:10-24 mmE. Nature : barrel hingeF. Usage : door and furnitureG.Making Process : Stamping, deep drawing,bending, punching, laster cutting,threading