Disc-O-Bed Leg Extension Set - Adds 7in space. Leg extension for added height between bunks. Also used to add height to any straight end frame bed. Features By means of the secure U-clip design the leg extension is used to either increase the height of a single cot or the distance between bunked cots by an additional 7in Compatible to any of the straight bed end frames of any Adult size Disc-Bed cot systems (excluding Kid-O-Bunk) To increase the height between bunks: Insert between top bunk and bunk fitting (stack adapter) To increase the height of a single cot: Remove rubber foot plug from bed end frame and insert leg extension (straight frame style only)