Check the listing for details. 4Pcs 4 inch Furniture Risers with Adjustable Screw Clamp for Bed Desk Black. Condition: New. Listed at 39.97 USD. Description:Adjustable Clamp Design: Our bed risers feature an adjustable screw clamp design, suitable for furniture or bed frames with a thickness of 0.39-1.45 inches (10-37 mm). You can easily install and adjust the gap to fit your furniture frame without the need for drilling or damaging your home decor.Secure Design: Unlike other groove-based bed risers, our bed risers have a secure design that firmly holds your furniture in place. They won't come loose when lifting or moving, providing exceptional stability.Easy Installation: Installing these bed risers is a breeze. Simply adjust the screw clamps to fit the thickness of your furniture, place them under the legs or corners, and securely tighten them. It's a simple and hassle-free process.Wide Application: These bed risers are suitable for various furniture pieces.