door lock(security door lock,stainless steel door lock) 1)Size:120mm 2)3 pcs brass keys with nickle plated (thickness:2.2mm) 3)Iron dead bolt,Brass latch bolt; Brass pull 4)2 turns, 2 sides open by key 5)Full brass inner and outer cylinder 6)The thickness of lock body:1.5mm Any futher detailed information , pls fell free to contact us .thanks !