Specification Brand : Moroso BulletPoint : Heavy duty to allow repeated use with a fastener tool allen wrench or a ratchet without stripping A larger size distributes the load over a larger area to avoid pull-though The spring holds the button captive so that it can't be dropped underneath the car or into some hard-to-get-at area of the chassis A necessity for quick pit work in racing Use with Spring Nos. 71400, 71410, 71420, 71425 or 71430 Ten per package ExteriorFinish : UnPlated ExternallyAssignedProductIdentifier1 : 084663713804 ExternallyAssignedProductIdentifier2 : 0084663713804 ExternallyAssignedProductIdentifier3 : 00084663713804 FitType : Universal Fit IncludedComponents : Fasteners ItemName : Moroso 71380 Self Ejecting Quick Fastener, Hex Drive, 7/16" x .500", Steel, Silver ItemPackageDimensions_Height : 3.556 centimeters ItemPackageDimensions_Length : 12.192 centimeters ItemPackageDimensions_Width : 13.97 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bolt-anchors ItemTypeName : Quick Fasteners LegalComplianceCertifications : CARB Compliance Certificate Manufacturer : Moroso Material : zinc plated Material1 : Fiberglass Material2 : Aluminum Material3 : Alloy Steel ModelName : 71380 ModelNumber : 71380 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : 71380 ProductDescription : SIMPSON ZN25112-100 1/4 X 1 1/2 NAILON ANCHOR MUSHROOM ZINC PLATED (100) ProductSiteLaunchDate : 2005-02-13T00:00:00-00:00 StreetDate : 2012-09-08T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 WarrantyDescription : 90 Day Manufacturer