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Choosing a Replacement Upvc Door Handle When you are choosing a replacement for your handle made of upvc, check that it matches both the screw fix centre and PZ measurement. They are typically on the backplate. Most handles are equipped with spring cassettes that help keep the lever of the handle in an upright position. If your handles made of upvc seem floppy when open this could be due to the fact that the spring is deteriorating. Inline Lever/Lever The lever/inline lever is a contemporary design that perf