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uPVC Window Handle Replacement When window handles fail, they can be very annoying and can stop your windows from opening. The spindle in the handle moves but does not communicate with the roller cam of the window mechanism. This is a simple fix. We offer a wide range of replacement upvc handles for Espags and cockspurs. These include cranked, key-locking or inline. Remove the handle that was previously used uPVC is an excellent option for anyone who wants to upgrade their home. They look attractiv