ADVANTAGES:1. Rubber material, soft, flexible, wear-resistant and durable;2. Dustproof and waterproof, suitable for indoor and outdoor use;3. Insulation, suitable for electrical scenesAPPLICATION: Rubber end caps are suitable for thread protection of various screws and bolts, pipe end protection, wear-resistant protection of furniture feet, protective covers of fences, fences and railingsPACKAGE CONTENT:10mm/0.4-inch inner diaBlack screw thread protectors cover100 pack of screw thread protectorsNOTE: The rubber end caps sleeve is flexible. When inserting pipes end, screws, bolts, etc. into the rubber caps, lubricant can be properly added to play the role of lubrication.