SECURISTYLE Defender Egress Friction Hinge Side Hung 17mm - 400mm (16 Inch) X 17mm
                        The Securistyle Defender Egress side hung window friction hinge is designed to be suitable for emergency exits and easy cleaning.  This product has a stack height of 17mm, has a composite slider with a stainless steel lever, and an end cap and support plate made from zinc die cast.  The Securistyle egress window Defender can be fully opened to 90° and complies to British BS5588 Part 1: 1990 standards & Building Regulations Approved Document B for fire escape windows.