Plastic and metal materials: - These adjustable furniture legs are made of high quality metal and plastic finely machined durable and easy to assemble. Wear resistant corrosion resistant and rust proof. Adjustable design: - Furniture jack feet have a thick plastic base and height adjustable screws. The adjustable table legs can adjust the height as you need. The height of each leg can be adjusted 0.79 inches so that the furniture can be placed stably on the uneven floor. Easy to install: - The installation of this adjustable jerk foot will be very quick and easy. It has an M6 screw and a round white plastic base. You can combine it with furniture with threaded sockets. You just need to screw them onto the 4 legs of the cabinet. Widely used: - Leveling feet suitable for the office or home for light furniture with threaded bushings for tables cabinets chairs desks and other furniture. It also keeps your furniture off the damp floor and keeps the furniture clean and beautiful. 30 pcs jacketed feet: - The set contains 30 pieces adjustable furniture legs the size of the threaded rod is M6 x 15mm the plastic base diameter is 30mm the total height is 27.5mm. A total of 30 feet of furniture enough for daily needs.