McKinney Products McKinney Available Finishes From bright brass to stainless steel and any coat in-between, these finishes will give your McKinney products a unique look that matches the style of your specific space. McKinney Maintenance and Care McKinney hinges are manufactured in compliance with all applicable federal and ANSI specifications. The following are general maintenance tips for providing long life and proper finish appearance. McKinney Warranty McKinney products are guaranteed to be free of defects in both workmanship and materials for a period of one year. Any bending, defacing or modification of our product after leaving the factory will void the warranty. Regarding US10B (613) Finish The US10B (613) from McKinney is an unstable finish that changes its appearance during the oxidation process. McKinney offers information about how to get a consistent finish while ordering.