No jolts plus: These furniture levels with adjustable 20 mm adjustable screws can help adjust the feet of asymmetrical furniture, maintain the balance of the furniture and solve the problem of tremor of furniture, And that does not affect the furniture floor. Anti-scratch and non-slip: The robust base of adjustable foot upholstery is plastic without bright edges or coins. They can protect your wooden furniture and wood floors from stripes or strong noises during use, and offer you a calm and comfortable environment. Application: Floor protector Adjustable level, very suitable for chairs, offices, dining room furniture, sofas, cafes, cabinets, hairdressers, etc., is also suitable for industrial machines threaded, such as mechanical equipment, fitness equipment, washing machines, refrigerators, etc. Excellent material: high quality and hard plastic leveling feet, wear, rust and non -slip. Leave rust on your home, even in humid environment. Easy to install: pierce a 5/16 “hole in each