Good Protection] Elastic end caps prevent wear on kitchen or wooden floors, suitable for metal chair feet, furniture, chair legs, table legs or tips, threads, nail heads or for covering any round tube [Flexible Material] Thread protectors are made of high-quality materials for flexible insulation [Size] Since the material is soft and flexible, we recommend choosing a rubber end cap that is slightly smaller than the outer diameter of the product for protection. For example: the outer diameter of the product is 9.8mm and the rubber sleeve is 9.5mm! [Wide Application] Perfect for covering screws or other threaded parts, round tubes, furniture feet, etc. Color: Black Material: PVC Size: Inner diameter: 4mm, inner height: 15mm Package contents: 100 x Rubber end caps Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm. After-sales warranty is our extended commitment to quality. No matter how big or small the problem, we will do our best to make you feel 257% valued and cared for.