Universal Solution for Increasing Bed Height The universal stackable solution for additional height in your bedding, when other risers will not fit. Increase Under Bed Storage Space Bed Lifters raise your bed in minutes, giving you a space-efficient storage area, which will in turn leave you more room for clothing and other items in the closet and around your home. Make more room for additional holiday decoration storage under your bed. Caster, glide, Post Sizes Accepted These solid wood Bed Lifters can be stacked to give you even more under bed storage space. Bed Lifters fit up to 3" casters and square or round bed posts. Some glides may need to be removed for use with these Bed Lifters. The cavity which receives the caster, glide, or post measures 3" in diameter and is 1/2" deep. Stackable One set of Bed Lifters will raise your bed 2-3/4" to 3-1/2". Add another set of Bed Lifters to gain up to 7" in height. These bed lifters include steel stabilization rods for use when you're stacking them - You place the rod in the middle of the lifters when you stack them to keep them securely in place. Center Support Considerations If your bed has a center support system, do not neglect to order enough Bed Lifters to support your center support leg(s) also; you'll need at least one lifter for every leg on your bed frame. How Sold These Stackable Bed Lifters are priced individually so you only need to purchase as many lifters as you need for your bed, rather than having to buy them in packs. Simply enter the number of lifters you need in the Quantity box when adding them to your cart. Discounts are automatically applied as you add more lifters to your cart, and the best available price will be shown in the shopping cart.