Rail length can be adjusted without tools to 37", 43", or 57" long with simple push buttons

•Crossbars are easy to install and remove; Adjusts between 36" and 72" (Accommodates a KING SIZE BED)
•Fits all home-style beds
•Easily adjusts up or down with spring-loaded release
•Constructed of 1" steel

Home Bed Style Adjustable Length Bed Rails, Pair