1.Body: wrought iron 2.Cover:201 SS 3.Useful life:500,000 times 4.The rate of leaking:5/1000 DetailsA.Production Name: Popular Floor Spring for Glass Door, similar with Dorma (MAB )B.Material:Stainless steel ,ironC.Finishing:black,zinc,Chrome,SatinD. Width of door :110-120 CME. Height of door :210-241 CMF. Loading Capacity :120 KGG.: OEM,ODM :are be receipted