Adjustable from 3/8 in. to 1 in., easily cope with a variety of uneven floors, allowing your furniture to instantly find balance and show the elegance it deserves. Not only that, we have specially formulated PTFE (Teflon) material as the bottom of the slider, this high-tech material gives the furniture magic sliding experience. Whether it is pushing a heavy bookcase or gently moving an elegant sofa, it can achieve smooth and quiet. What's more, this material is wear-resistant and floor friendly, whether it is precious solid wood, smooth tile or soft carpet, it can be fully protected from scratch and wear. 1/4-20 x 1 in. high strength bolts. After anti-rust plating treatment, they are not only strong and durable, but also resistant to moisture and corrosion, ensuring long-term safety and stability. Each leg can hold more than 200 lbs. of weight and even large pieces of furniture are easy to handle, so you don't have to worry about any load bearing issues. Whether it is the sofa in the living room, the table and chair in the dining room or the wardrobe in the bedroom, the bookcase in the study, as long as it is the furniture that needs to be stable and sliding, we can find the use of the slider. With simple installation, you can enjoy the comfort and convenience brought by furniture and make home life better.