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UPVC Replacement Door Handles Over time the handles on your doors will wear down and will require replacement. In this case, it is essential that the new handles conform to the critical dimensions of the previous handle. The three measurements you need to examine are the top screw position, lever and key hole sizes. Use the size guide to aid you. Inline Lever/Lever A lever/lever door handle is a contemporary handle that can be put in on doors that are new or replacement. This style of door handle is avail