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. Whether you need extra storage space under your bed or prefer a higher working surface on your desk, these risers offer a practical solution while ensuring they remain securely fixed in place. Specification: Material: PA6+30% fiber Color: Black Total Size: 55mm x 70mm x 50mm / 2.17" x 2.76" x 1.96" (L*W*H) Adjustable Wide: 10-37 mm/0.39-1.45 inch Riser Base Thickness: 5 mm/ 0.19" Weight Capacity: Up to 5000Lbs Use for: Sofa, Table, Desk, Beds Package Included:4Pcs x Black Bed Risers