Andersen Storm Door Lock case, Body Only, No Faceplate, Left HandAndersen Emco Replacement Mortise lock used with 4000 Series full view quick change glass and screen inserts. The 4000 series storm door has a button above the handle. To replace glass the button is pushed up and the lever is lifted to a vertical position. Remove glass or screen panel to change. Lock Application: 4000 Series Quick Change System, Full View Storm Door Handed: Yes, handed as shown Markings on Lock case: Yellow nylon guide below latch, L