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Pair of 17mm x 20" inch Top Hung Window Stays/Friction Hinges - Designed to Stay Open in Any Position Due to Friction, for uPVC or Aluminium profiled Windows (513mm). : Amazon.co.uk: DIY
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Yale uPVC Window Hinge Easy Clean Fire Escape Double Glazing Friction Stay PVC | 13mm | 12 Inch : Amazon.co.uk: DIY & Tools
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