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https://gentry-kemp-2.thoughtl....anes.net/5-the-5-rea
Choosing a Double Glazing Window Handle Window handles come in different styles. They are usually uPVC but can be aluminium or wood. They can be cockspurs, key locking or cranked. Espagnolette handles are the most popular type of uPVC window handles. They feature a square spindle at the back, which is connected to the gearbox of the lock in the window frame. U