Single Action Devices For Hung Windows

These devices require a single-action to operate them. Not suitable for horizontal sliding windows.

Sold in handed pairs. Fitting a pair of devices complies with ASTM F2090-2008, 2010 and 2017

Dual Action Devices For Horizontal Sliding Windows

These devices require two independent actions to operate them. Not suitable for hung windows.

Fitting a single device complies with ASTM F2090-2008, 2010 and 2017