Yale Locks P1109 Replacement Rim Cylinder & 6 Keys Polished Brass Finish Visi For use with surface mounted locks Provides key access from one side of the door Suitable for doors 38 to 57 mm thick 2-4-6 key variants available Keyblank no.8 <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.