Rattleware Espresso Knock Box Set with Maple HolderRattleware Espresso Knock Box Set with Maple Holder This knock box is made from heavy duty stainless steel featuring a welded metal bar for durability. It has a replaceable rubber bar cover and an edge gasket made of molded rubber. This knock box is designed for commercial use. The attractive maple wood knock box holder completes this set adding stability to your knock box while giving your counter a finished look. The holder has an open bottom with