Specification AgeRangeDescription : little_kid Brand : Sure-Grip BulletPoint1 : OEM Sure-Grip factory replacement kingpins set of 4. ONLY FITS SURE-GRIP PLATES BulletPoint2 : 3/8" kingpin made of grade 8 steel BulletPoint3 : Has a 9/16" Hex head for easy adjustment BulletPoint4 : Sold as a set of 4 kingpins and made in the USA BulletPoint5 : Fits for the following Sure-Grip plates: Super X, Jogger, Competitor, Century, Century NTS, Cyclone, Cyclone NTS, XK4, and XKDA10. Color : SILVER ExternallyAssignedProductIdentifier : 7706539450660 ExternallyAssignedProductIdentifier1 : 889573044198 ExternallyAssignedProductIdentifier2 : 0889573044198 FinishType : Urethane IncludedComponents : 3 pilates bars, 6 resistance bands, 2 non-slip foot straps, 2 door anchors, 2 ergonomic handles, 2 ankle straps, a workout guide, a portable storage bag ItemDisplayDimensions_Diameter : 0.37 inches ItemDisplayDimensions_Length : 2.25 inches ItemName : Sure-Grip King Pin Bolt - Set of 4 ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 8 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 4 ItemShape : hex head ItemTypeKeyword : weight-plates Manufacturer : Sure-Grip Material : steel MaximumWeightRecommendation : 1 kilograms ModelNumber : A-1 NumberOfItems : 1 NumberOfResistanceLevels : 3 PartNumber : KPBOLT ProductDescription : OEM Sure-Grip factory replacement 3/8" kingpins set of 4. Made of grade 8 steel with a 9/16 Hex head for easy adjustment. -Fits for the following Sure-Grip plates: Super X, Jogger, Competitor, Century, Century NTS, Cyclone, Cyclone NTS, XK4, and XKDA10. ProductSiteLaunchDate : 2018-11-30T08:00:00.000Z Size : 51 inches Style : 10lb Plate Pair SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 4 UnspscCode : 31161500 WarrantyDescription : 30 days