and metal, and, and better stability for furniture and machine feet the floor is rough or the leg of the product is bad, you can installed it at the bottom of your product to stay balanced Great for chair, table, desk, cabinet, light duty furniture with threaded sockets in restaurant, or household The adjustable leveling foot is for or household furniture even industrial machine with threaded sockets The thick bottom and adjustable thread height keep the product feet away from the moist floor, effectively protecting the feet and floor to keep it tidy and beauty, and also slippage to make it stable, Manufacturer: yanzunlrn