Secure your showcase with the CRL TDK7AKA Aluminum Stick-On Showcase Lock. This lock is made of durable aluminum and comes in a sleek silver finish. It features a keyed alike system, making it easy to manage multiple locks with just one key. The lock measures 3-3/4 inches in length and can be easily applied with the stick-on feature. Perfect for business owners looking to safeguard their showcase items.