Easy & Cost-effective Replacement – Upgrade your casement window effortlessly and affordably by replacing the damaged or worn-out window crank; Enjoy a smoother window operation and enhance the protection of your window with this simple solution,Fit Perma-Shield Casement Windows – Tailored for Andersen perma-shield casement windows produced between 1982 to 1995, revitalize your broken windows with this upgrade, bringing them back to a like-new condition,Identify Window Handing – Determine the handing of your window by identifying the hinge side from the outside; The lock side indicates the handing from the inside,Heavy-duty Material – Constructed with diecast zinc featuring a steel arm and corrosion-resistant finish, hardened steel worm drive and gears keep long-lasting performance,What you Get – Split arm operator (left hand) and the installation instructions; If you have any questions or concerns please contact us