Stop Barrel: 28mm x 16mm
Striker Plate: 49mm x 29mm Fitted to the sash to restrict the opening for safety reasons and to allow the sash to be opened for ventilation without compromising on security. Strike plates are fitted to the top of the bottom sash to prevent damage. Stop can be retracted into the barrel to allow the window to be fully opened. Sold in singles. Supplied with matching SS wood screws.