Andersen Head Hinge (Right Hand) with Stainless Steel Finish Works with (All) Perma-Shield Casement and Awning Windows manufactured from 1966 to Present. This head hinge is for a right hand unit. From outside of your home and looking at the window the hinge will be located on the right side at the top of the window. For hinge replacement instructions click on the "Size Guide & Instructions" tab above. Casement Windows ONLY: If your right hand head hinge is an older style and does not look like the hinge that is pictured, then you will also need to purchase the right hand sill hinge for the hinges to work properly. The right hand sill hinge part number is 1361460 for standard size units or 1361468 for egress size units. Egress size is normally used in bedrooms and allows for a larger opening to meet egress code. Awning Windows ONLY: If your right hand head hinge is an older style and does not look like the hinge that is pictured, then you will also need to purchase the left hand head hinge for the hinges to work properly. The left hand part number is 1361463. When replacing an old style awning hinges with a newer style refer to the Awning Hinge Conversion Guide located in the Size Guide & Instructions tab above.