This thread protector is made of solid material, which can withstand use. Features the rubber material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:Black -Material:Rubber -Size: 2.50X1.20X1.20cm/0.98X0.47X0.47in Inner diameter: 3mm, 6mm, 9mm, 12mm -The soft and elastic rubber material makes installation easy. -Ideal for protecting furniture and ensuring safety in your home. -Can be used as a flexible protective seal for various furniture pieces such chair tops, patio furniture, bench legs, table legs or tops, stools, screw or nail heads, or to cover any round tube. -Suitable for use on all types of cylinders, cylinders, tap screws, round , PVC , valves, and more. -With craftsmanship, a reasonable structure, and professional practicality, this Screw Thread Protector can provide you with convenience. Package list: 20 x 3mm End Caps 20 x 6mm End Caps 20 x 9mm End Caps 20 x 12mm End Caps