Slipstick CB652 3 Inch Under Bed Storage Bed Risers / Furniture Risers, Adds 3" Height (Set of 4 Bed Lifts) Supports 2,000 lbs Elevates tables, chairs or beds 3" (8.2 cm) Designed to support legs (or bed wheels) 1-1/4" to 3" in diameter Each Heavy Duty lifter cone can support up to 500 lbs. (set of 4 = 2,000 lbs.) Works on all flat surfaces including wood or carpet Package contains set of 4 bed risers, YES 4 risers per set