LOCK A.Handle lock is perfect for residential. B.Long durability and reliability. C.Solid brass or stainless steel construction. D.Fashion and elegant appearance E.Being not easy to depigmentize and oxdiate due to its bright&steady surface treatment F.Standard backset 60 or 70mm G.Fit door thickness 30-50mm H.Different finishes are available(SP SS PS SB AB AC etc) I.Different functions are available J.Prompt delivery K.Easy installing L.Reversible and convenient M.Including 3brass keys N.Package:box.blister,carton O.OEM&ODM service offered