Specification Brand : decotacks BulletPoint1 : Head Size : 5/8" x 5/8" (17mm x 17mm) *** Shank Length : 5/8" (17MM) BulletPoint2 : Heavy weight and high quality, not like other light weight DIY nails BulletPoint3 : Made by Steel with high grade double layer Black Electroplating BulletPoint4 : Need to use Pliers to install nails before hammering, they are small and hammer them by free hand may be dangerous and cause shanks bending !!! Color : Black ExteriorFinish : antique brass ExternallyAssignedProductIdentifier : 5060623450076 ExternallyAssignedProductIdentifier1 : 028672408924 ExternallyAssignedProductIdentifier2 : 0028672408924 FinishType : Brass GpsrSafetyAttestation : 1 ItemName : decotacks® Square Art Upholstery Nails/Tacks 5/8" x 5/8" (17MMx17MM) - 25 Pcs [MATT Black] DX8017MBL ItemPackageDimensions_Height : 8.6106 centimeters ItemPackageDimensions_Length : 2.3114 centimeters ItemPackageDimensions_Width : 8.6106 centimeters ItemPackageQuantity : 100 ItemShape : Round ItemTypeKeyword : hardware-tacks Manufacturer : Asiahan Industrial Trading Ltd Material : Plastic ModelNumber : DX8017MBL NumberOfPieces : 100 PartNumber : DX8017MBL ProductDescription : High Quality, using by professional Upholsters and Furniture Factories. It's coming in professional well packaged sealed plastic retail boxes, Any packages is different shape and condition is a counterfeit item... Please kindly return it to the seller and contact us (deconail)... Your reviews are important for us, but reviews making based on fake items destroy our business... Amazon close fake listings but it takes about 15 days and almost every week one new listing publishing...so unfortunately it never ends... ProductSiteLaunchDate : 2016-05-03T07:00:00.000Z Size : 7/16" [11mm] SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 44122100