[High Quality Material]: Our black circular rubber end caps are made of vinyl rubber material, which is soft and durable, with good elasticity and insulation. They are sturdy and thick enough to soften impacts. In addition, you can cut the rubber cap protective cover into appropriate lengths according to your needs, making it convenient to use. [Multiple Sizes]: These bolt rubber caps come in 9 different sizes: 20 pieces of 2/25 inch/2mm, 20 pieces of 3/25 inch/3mm, 20 pieces of 9/50 inch/4.5mm, 20 pieces of 6/25 inch/6mm, 20 pieces of 7/25 inch/7mm, 20 pieces of 8/25 inch/8mm, 20 pieces of 19/50 inch/9.5mm, 10 pieces of 12/25 inch/12mm, and 10 pieces of 4/5 inch/20mm, suitable for various household accessories. [Usage]: Choose a suitable size thread protector. We suggest selecting a slightly smaller outer diameter than the item to be protected, then cut the protector to a suitable length for easy use. Rubber bolt caps are suitable for many household applications and are ideal for covering screws or other threaded components, round pipes, furniture legs, and more. [Rubber Cap Features]: Our thread protectors help prevent wear and tear on kitchens or wooden floors. They are suitable for metal chair tips, furniture, chair legs, table legs, or tips, as well as for covering screws, bolts, and any round pipes. Additionally, they help protect against injuries from sharp rod and tube edges. [Widely Used]: This rubber cap protector is suitable for fence railings, cast iron covers, bolt replacement, screw or nut safety, and can cover any scratches or burrs that may occur during the cutting process. It also provides protection from sharp rod and tubing edges. Color: Black Material: Rubber Package Contents: 160 x Rubber End Caps Only the above package content is included; other products are not included.