Kodia CY-EL-11 4 inch L-type sliding door lock with cylinder fitting, a narrow mortice hook lock for aluminium sliding doors with 30mm and 50mm Cyl sizing. A chrome L-type hook swings out from the faceplate to catch the strike and hold the sliding shutter closed. The body is black with a profile cylinder cut-out, the faceplate is chrome, and a chrome escutcheon ring comes with the lock. Part numbers: CY-EL-11