[ 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 also cut the rubber cap protective cover into appropriate lengths according to your own needs, making it convenient for you to use. [ Multiple Sizes ]: These bolt rubber caps come in 9 different sizes for you to choose from, including 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 ]: You need to choose a suitable size thread protector condom. We suggest choosing a slightly smaller outer diameter than the product you want to protect, and then cutting the protector to a suitable length, which is very convenient to use. Rubber bolt caps are suitable for many households and are very suitable for covering screws or other threaded components, round pipes, furniture legs, etc. [ Rubber Hat Features ]: Our thread protectors can prevent wear and tear on kitchens or wooden floors, suitable for metal chair tips, furniture, chair legs, table legs or tips, as well as covering screws or other threaded parts, screws, bolts, any round pipes, etc. In addition, it can also prevent sharp rod and tube edges from being injured. [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; In addition, it can also provide protection from sharp rod and tubing edges. Color: Black Material: rubber Package Contents: 160 x Rubber End Caps Only the above package content, other products are no