Slipstick CB600 Furniture Wheel Caster Cups / Floor Protectors with Non Skid Rubber Grip (Set of 4 Grippers) 1-3/4 Inch - Caramel Locks wheels into place while protecting floors from indentation and damage For use with beds, pianos, cribs, pool tables, appliances and more Rubber bottom stops any sliding or scratching the deep cup holds wheel or leg in place Ideal for furniture wheels or legs up to 1-3/4" or smaller (4.4 cm) Supports up to 500 lbs per cup (227 kg) 4 cups per packet