Friction Hinge Maintenance - NiCo Manufacturing Ltd
Yale Egress Fire Escape Window Hinge | GB DIY Store
Window Hinge Friction Stays, Tiberham 2 Pcs Heavy Duty Window Friction Stay Hinge for uPVC or Aluminium Profiled Windows, Hinge Length: 31 cm, Stack Height: 1.5 cm (Side Hung) : Amazon.co.uk: DIY