Anderson Lock has plenty of Supra door hardware and accessories for sale. One flagship product in the Supra repertoire includes Supra’s Max Box, a heavy-duty key storage solution for both residential and commercial purposes. But if you’re a Chicagoland lock specialist looking for a little less firepower, you may choose Supra's wide variety of standard key boxes. These key boxes are no less durable than the Max Box and are locked through an easy-to-use combination mechanism. Explore Anderson Lock’s Supra catalog below. If you have any questions—or if you’re ready to buy—contact us online. We’ll respond to your inquiry or concern promptly.