CCYKXA 12Pcs Inserts for Square Tubes with M8 Thread, for 0.79"x0.79" OD Square Tube, Black Square Plastic Cap Caster Insert Chair End Caps Furniture Feet Plug

Material: Plastic; Inner Height: 14mm/0.55"; Overall Height: 18mm/0.71"; Thread Size: M8*1.25; Overall Size: 20x20mm/0.79"x0.79"(LxW); Package Includes: 12 x Threaded Tube Inserts (Does not have adjustable leveling feet) Material: The tube cap nut is made of black plastic, with thread, suitable for adjustable casters and glides, adjustable height, not easy to deform, providing stable support. Effect: The threaded cap can be mounted on casters for easy movement; Adjustable feet help ensure balance, protect the floor, make the device non-slip and reduce noise. Easy Installation: The chair leg cap comes with grooves, only need to be aligned with the grooves to be able to tap it into position. The grooves ensure secure installation and eliminate the need for additional adhesives. Application: The nut cap is designed for office or home furniture, including mechanical appliances, fitness machines, bookshelves, TV cabinets, tables, shelves, beach chairs, desk legs, etc.