The Leveling Foot is for office or household light duty furniture with threaded sockets.Plastic round base design will do no harm and scratches to your floors.Easy to install of it and adjustable height as your require.This Furniture Glide Leveler is typically used on conference room tables, heavier desks, restaurant furniture, home equipments and sale display racks.If the range of the nut size is 6.65-7.05mm/0.26 Inch-0.28 Inch, you can use these leveling feet to install your furniture feet.