Night-Vent Locking Regency FastenerOur Regency night vent fastener has a smooth, rounded design that brings elegance to any property. Designed to fit casement windows and to match the products in our Regency range. This handle is night venting and can be locked in a closed position as well as two open positions to allow some ventilation. Reversible design and includes one keep plate for both left and right handed windows. The locking mechanism operates by way of grub screw. Suitable