4 Pack Viper Thumbturn Window Restrictor - Black

The thumbturn locking window restrictor enhances safety in homes, schools, hospitals, and other buildings. It limits window openings to 100mm, preventing falls and unauthorized access. Made of durable 20cm hardened steel, it withstands forces over 1000N and resists oxidation and corrosion. The keyless thumbturn mechanism offers convenience without compromising security. Suitable for uPVC, aluminium, wooden, and metal windows, it meets EN 13126-52011 A12014 standards. This versatile restrictor ensures compliance with safety regulations, making it an essential addition to any buildings security features.