A real estate combination lock box is a vault that holds house keys and normally attached to a door handle, gas meter, water pipe or gate. It is commonly used by real estate agents to show listing because it provides convenience access privilege to the house when the owner is not around. Lockboxes come in two forms; mechanical and electronic. We carry the mechanical real estate combination lock box that requires a combo code to open or unlock the lock box. Wholesale real estate lock boxes are perfect for a realtor with many different properties that need to be secured. Buying a wholesale real estate lock bocks assures that you are getting both value for your money and security for your property.