Specifications:\nType: Window Door Restrictor\nWindow Style: Double Hung\nScrews: Included\nMain Colour: White\nMaterial: Zinc Alloy, UPVC\nQuantity: 4pcs\nSuitable For: UPVC, Wood, Aluminium & Metal\nFeatures:\nBrand new and high quality /Universal window and door restrictor\nThe restriction of how much the window can be opened prevents burglars from being ablee for most types of windows and small doors\nQuick & easy to fit.Supplied with fixing screws & key\nUsed in homes, residential accommodation, hospitals, schools, universities and offices\nSuitable for most types of windows and small doors, suitable for many kind of materials such as UPVC, wood, aluminum and metal.\nDiscourages burglars and intruders\nDesigned specifically with child safety in mind\nPackage Include:\n4 x Window Security Restrictor\n4 x Key\n16 x Screw\nNote: If you have any questions, please feel free to contact us. Glad to do business with you.\nEnhanced Safety: Window limit locks are primarily dess