Semetall Wood Bed Risers (Rise up 4 Inch/10cm) Fit 2"2",Set of 4

HEAVY DUTY SUPPORT:Ideal for lifting beds, sofas, couches, tables and chairs. | ADDED HEIGHT:For use on furniture feet with an inside diameter of less than 2 x 2 inches / 5 x 5 cm, Bed lifts risers add height of 4 inches / 10 cm. | FEATURES:Adds extra height (storage space) under beds and furniture for robotic vacuum to clean the bottom. | MATERIAL:Made of pine wood, polished surface, smooth and burr-free, each grain is unique.Set of 4 | Size:Opening size:2.2 x 2.2 inches/5.5 x 5.5 cm; Internal increase:3.94 inches/10 cm; Overall height:5.12 inches/13 cm. Please refer to the size chart for detailed dimensions.