1. [ COST EFFECTIVE TO REPLACE OLD OR BROKEN DOOR HANDLES]: When your door handle is broken, old or unsightly, don't replace the door entirely, just get a sliding patio door handle set! Our replacement patio door handle set is the most economic and useful you can find. 2. [INCLUDES]: Interior Handle, Exterior Pull, Thumb Latch, 6XScrews. Standard reversible, non-handed handle set that can be mounted on both left-handed and right-handed sliding patio doors. 3. [EASY INSTALLATION]:This is a DIY project in the box. For handles with 3-15/16" hole spacing & a Mortise (Latching style) lock. Remove 2 screws from existing handles, insert Latch, align inside and outside handles with Pre-drilled door holes, insert screws, tighten and your done. Includes 6 screws with 3 different sizes: Large 2.16", Medium 1.96", Small 1.57" 4. [REVERSIBLE DOOR HANDLE & THUMB LATCH]:Also known as "Non-Handed". Our handle is designed for Right or Left-Handed or the door that opens from the left or the right, YOUR CHOICE!