NuSet has been a pioneer in door lock, lock box and hardware manufacturing for more than 40 years, with a legacy of leadership in developing innovations that enhance the reliability of the locks and improve their function abilities and use. Our uncompromising focus has made NuSet one of the best-selling lock box and door lock in the US and one of the brands most trusted by property managers and builders since entering the U.S. market in 1993. Our commitment to improving our products is unparalleled, as evidenced by the fact that our products undergo the most rigorous testing in our industry at two of our NuSet testing facilities worldwide. We also work closely with a variety of consumers, builders, government agencies, Underwriters Laboratories to encourage design improvements that enhance the patented feature of our locks and to develop new ideas to meet the ever changing market demand. As the result of our ongoing dialogue with consumers, we have created a new website www.customizedlock.com, which is to display all of our latest design door locks in their most beautiful finishing. In here, you can choose, customize and purchase all the door locks you need for your house be it for renovation or simply personal security. All our locks are hand assembled and testing in the US prior shipping to each customer. If you have any questions or comments, please feel free to contact us at 1-800-60-NuSet.