Glideaway 62CS - Queen - Flexing Rail System with Center Support The Glideaway 62CS has the added support of a cross support with 2 adjustable legs providing an additional level of support The flattened ends of the hooks flex for a safe, snug fit along the entire length of the foundation. Constructed from 4 inch wide carbon steel, providing strength and support Used for Queen size hook in head boards and footboards Adjustable leg supports can move between 8-11 inches in height