Specification Brand : uxcell BulletPoint1 : [SIZE] - 0.31" (8mm) hex width, 0.35" (9mm) total height; Pitch: 0.8mm BulletPoint2 : [MATERIAL] - Made of nylon, good toughness, anti-corrosion and non conductive. BulletPoint3 : [USE] - Used with bolts, threaded rods and studs to connect components. Easy to fit and to remove. BulletPoint4 : [ADVANTAGE] - These caps cover nuts provide effective protection against injure and weathering and improve the finished appearance of your product. BulletPoint5 : [APPLICATIONS] - Suitable for mechanical equipment, electronic equipment, communication equipment, hardware lighting and so on. Color : Black DriveSystem : External Hex DsaResponsiblePartyAddress : For any product or order inquires please visit https://wheelaccessoriesparts.onsitesupport.io/ ExteriorFinish : Black ExternallyAssignedProductIdentifier : 00810171840592 ExternallyAssignedProductIdentifier1 : 602451207573 ExternallyAssignedProductIdentifier2 : 0602451207573 FinishType : chrome finish GpsrSafetyAttestation : 1 GradeRating : Grade 6 8 ItemName : uxcell Acorn Hex Cap Nuts - 20Pcs M5 Dome Nuts Nylon Hexagon Decorative Cap Nut for Screws Bolts Black ItemPackageDimensions_Height : 12.7 centimeters ItemPackageDimensions_Length : 0.762 centimeters ItemPackageDimensions_Width : 12.446 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardware-nut-and-bolt-sets Manufacturer : uxcell ManufacturerGrade : Grade 304 Material : Nylon MetalType : 18-8 (304) Stainless Steel ModelNumber : a19030500ux0979 NumberOfItems : 300 NumberOfPieces : 20 PartNumber : a19030500ux0979 ProductDescription : 1.Made of nylon, good toughness, anti-corrosion, anti-aging, suitable for indoor, outdoor or humid environment. 2.These caps cover nuts provide effective protection against injure and weathering and improve the finished appearance of your product. Easy to fit and to remove. 3.Nuts are internally threaded fasteners that are used with bolts, threaded rods and studs to connect components.Suitable for mechanical equipment, electronic equipment, communication equipment, hardware lighting and so on.