Designed to fit casement windows and to match the Products in our Avon range. The fastener has a locking mechanism by the way of a grub screw. Supplied with matching SS wood screws. This reversible design includes mortice and hook plates, making it suitable for different fitting options. Overall Length: 125mm Handle Length: 103mm Fixing Plate Size: 57mm x 19mm x 5mm Mortice Plate Size: 77mm x 20mm x 2mm Hook Plate Size: 56mm x 20mm x 4mm