Tubular lever lockset,3keys;door thickness:fits door 35mm to 51mm;backset:adjustable 60mm and 70mmmaterial:iron,stainless steel,brassfunction:entry,privacy,passage,dummyfinishing:Satin nickel,polished brass,polished chrome,antique copper,antique brass,satin stainless steel,black nickelpacking:box or blisterproductivity:100000pcs/month