The Liberty Bed provides you with the key features you want at a very affordable price point. Strong supportive grid deck is superior in frame design and offers a “no-sag” mattress support surface. safe work load. Range of motion 9.9 inch to 24.4 inch. With a standard 6” mattress, this positions the bed at an ideal height for the caregiver and for transfers. One bed can be used for 76" and 80" lengths using the adjustable brackets to meet space limitations and improve inventory management. No extension kit is necessary.