Product Overview: 19 inches Across Mattress Retainer Bar, 63003441 Foot Retainer Bar, Your base must have 2 holes that are 19 inches apart. Please confirm the size you need before buying Compatible Model: Mattress Retainer Bar Fit for Tempur-Pedic Ergo, Can not be Used for Lifting The Adjustable Bed Product Function: Mattress Retainer Bar Used to fix the mattress and prevent it from slipping and shifting Premium Material: Made of high quality material, strong and durable, not easy to break, rust-proof, not easy to deform, can be used for a long time Easy Installation: Just insert the mattress retainer bar into the holes 19 inches apart, saving time and effort 19 inches Across Mattress Retainer Bar, 63003441 Foot Retainer Bar, Fit for Tempur-Pedic Ergo, Can not be Used for Lifting The Adjustable Bed