These legs leveler will adjust the machine height and leveling uneven legs or when the floor is unlevel or sloping, you can adjust the industrial equipment or furniture to sit level on uneven floors. It can be provide support, shake proof and balance adjustment for mechanical equipment, shelves, assembly line production, furniture, etc. Features - Color: Silver. - Material: Iron and plastic. - Size: 3.70 x 2.80 x 2.80cm/ 1.45 x 1.10 x 1.10 inch. - Note: With or without English letter is random. - Pre-installed with high density thick plastic to protect your hardwood floor from scratches or harsh noises, works far better than the stick-on pads. - No more folded up cardboard under table legs. Don't let your furniture stagger anymore. - These furniture leg levelers with pad allow easy leveling of furniture , office, restaurant, school or cafe. - Swiveling base with non-slips pad can stop wobbling on uneven floor and reduces vibration. - Made of high grade material, it is durable and wear resistant for long-term use. Package list: 20 x chairs levelers 20 x nuts