Si Siegenia roller striker keep to suit most types of upvc windows and has a flat universal base for ease of use and versatility.
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You'll discover a variety of parts here to assist you replace broken handle parts or upgrade your handle to newer parts. A set of door shim spindle sleeves raises a 7mm square spindle to an 8mm square spindle. This is especially handy on older upvc door handles with a 7mm spindle size. The spindle can be reduced to a 7mm square dimension by inserting it into a door lock centre or a set of door handles.