Richards Homewares Wood Bed Lifters, Honey Oak (2-Pack of 4) Universal Design To Fit Several Different Bed Styles. Perfect For Square Or Round Bed Posts And Even Casters (2.75" Wide) Perfect for under beds, closets, desks, dressers, shelves and much more Instantly creates additional under bed storage Internal Dimensions: 2.8" x 2.8" x 0.8" External Dimensions: 4.25 x 4.25" x 3.43"