About This APPLICATION: 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, and railings SIZE : 8mm/0.31-inch inner dia; Black screw thread protectors cover FEATURE: Rubber material, soft, flexible, wear-resistant and durable; Dustproof and waterproof, suitable for indoor and outdoor use; Insulation, suitable for electrical scenes FUNCTION: Rubber end cover is mainly used to protect various pipe ports, screws and bolts. Easy to install, easy to use, small size, light weight and easy to carry NOTE: 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 Overview Brand : DMiotech Material : Rubber Color : Black Surface Recommendation : Hardwood, Laminate, Tile, Hard Floor Shape : Cylindrical