Mason Lock Box! Finally a lock box big enough for today's keys and remotes! Unlike other lock boxes, the Mason Lock Box ? guarantees that your keys and remotes will fit with ease. Made of durable powder coated zinc alloy these lock boxes are the best quality and value on the market. With a foam backer to protect the vehicles glass the box easily attaches to the window with a stainless steel hook which is securely riveted to the lock box. The lock box is 3" W x 5 1/4" L x 1 3/4" H . Our cam lock offers over 50,000 combinations ensuring your company a unique key code. Keys sold separately (EZ948-BOXKEY). Quantity discounts available.