Specification AgeRangeDescription : Adult Brand : HARFINGTON BulletPoint1 : Size - Nail Head Length: 11.2mm / 0.44"; Nail Head Diameter: 8mm / 0.31"; Thread Size: 5.3mm / 0.21"; Total Length: 18mm / 0.71"; Thread Pitch: 32G. BulletPoint2 : Material - Made of steel, it prevents rust and corroding, has high hardness, is strong and wear-resistant, is not easy to break, and has a long service life. Helps improve your running speed, and can achieve better results in competition. BulletPoint3 : Feature - Tapered needle shape track spikes can increase the friction between the shoe and the ground, prevent skidding and ensure safety. It also improves the balance of traction, flexibility and speed as you run. And will not damage the runway. BulletPoint4 : Application - Provides optimal grip for runway such as cinder, sand, etc. General size for most running shoes to use, suitable for running 100-1500 meters, both short, medium and long distance running.If you like running, cross country, or you are a sports enthusiast, these track spikes will be of great help. BulletPoint5 : Package Content - 20pcs x track spikes.If you have any questions, please feel free to contact us. CareInstructions : Machine Wash CollarStyle : Button Down V-Neck Color : Silver Tone Coverage : synthetic tracks Department : unisex-adult ExternallyAssignedProductIdentifier : 8355356359978 ExternallyAssignedProductIdentifier1 : 0704090329118 ExternallyAssignedProductIdentifier2 : 704090329118 FabricStretchability : stretchable FabricType : 100% Polyester FitType : Regular Fit GpsrSafetyAttestation : 1 ImportDesignation : Imported IncludedComponents1 : 28 pcs golf spikes IncludedComponents2 : 1 pcs golf spikes wrench ItemLengthDescription : Standard Length ItemName : HARFINGTON 20pcs Track Spikes 11.2mm Steel Medium Nails Replacement Spikes for Middle Long-Distance Running Track Shoes, Silver Tone ItemPackageDimensions_Height : 9.1 centimeters ItemPackageDimensions_Length : 0.7 centimeters ItemPackageDimensions_Width : 6.1 centimeters ItemPackageQuantity : 20 ItemTypeKeyword : golf-spikes Lifestyle : Athletic Manufacturer : HARFINGTON Material : Alloy Steel ModelName : LONGKUN-01-GOLF SPIKES ModelNumber : hta220729hh0166 NumberOfItems : 1 NumberOfPieces : 60 NumberOfPockets : 2 OccasionType1 : Fishing OccasionType2 : Camping OccasionType3 : Safari OccasionType4 : Kayaking OccasionType5 : Travel PartNumber : hta220729hh0166 Pattern : Solid PocketDescription : Cargo Pocket ProductDescription : Made of steel, it prevents rust and corroding, has high hardness, is strong and wear-resistant, is not easy to break, and has a long service life. Helps improve your running speed, and can achieve better results in competition. Tapered needle shape track spikes can increase the friction between the shoe and the ground, prevent skidding and ensure safety. It also improves the balance of traction, flexibility and speed as you run. And will not damage the runway. Provides optimal grip for runway such as cinder, sand, etc. General size for most running shoes to use, suitable for running 100-1500 meters, both short, medium and long-distance running. If you like running, cross country, or you are a sports enthusiast, these track spikes will be of great help.