Defender Top Hung Restricted Friction Hinges

A built-in quick-release lever allows the window to be fully opened for easy cleaning, total ventilation.

Handed 'profiled' vent arm further enhancing weather seal 

Extended enclosed end cap to enhance weather sealing 

Built-in mechanism limits initial opening 

Restrictor automatically relocates and resets when the window is closed 

Available in 12" to 24" top hung and 12" and 16" side hung

Unique patented robust cam friction device eliminates any risk of friction screw misuse 

Available in ferritic and austenitic stainless steel for enhanced corrosion resistance 

Drill jigs for all sizes are available to order 

Slot hole slot format will provide the ability to adjust the vent easily

High carrying capacity of 20" and 24" top hung hinges available