The dx storm door pull handle and keyed locking set compliments a wide range of decor styles. This elegant and easy to operate handle can replace a push button handle that may be on your screen door. The screw posts must be 1-3/4 in. Apart. The interior latch features an easy opening push movement which does not lock. The included keyed lock complements the appearance of the handle and provides additional security. Keep your main door open and enjoy the light that comes in through a storm door, and still feel secure. This is not a high security lock, but a secondary level of security. The key lock is usually installed above the handle. Three additional holes are required to be drilled through the door for the screws and spindle for a new installation. This set includes everything needed for an installation and will fit doors from 1 in. To 2-1/8 in. Thick. The spindle for the deadlock may be cut for your custom installation. Installation will take about 30 minutes. A tape measure, drill and screw driver may be required. A center punch to mark the holes is helpful. Before drilling, ensure that the inside latch and lock do not interfere with the operation of your main door handle. If it does, raise or lower the storm door hardware. This handle and key lock set will provide an added touch of class to any storm door. All 4 components are the same color or finish. Ideal Security has been supplying quality hardware to door manufacturers for over 50 years.