Locking Avon FastenerThe simple, four sided design of our Avon collection is created by hand with a series of hammer blows, and is well suited to contemporary and traditional settings alike. Designed to fit casement windows and to match the Products in our Avon range. This reversible design includes mortice and hook plates, making it suitable for different fitting options. The locking mechanism operates by way of grub screw. Suitable for use with weather stripped windows.