Specification Brand : HH FASTENERS BulletPoint1 : M3 button head socket cap screws kit,Metric,120-pieces,Thread Dia. 3mm BulletPoint2 : Kit contains:M3 X 4 mm,20-piece; M3 X 6 mm,20-piece; M3 X 8 mm,20-piece; M3 X 12 mm,20-piece; M3 X 16 mm,20-piece; M3 X 20 mm, 20-piece BulletPoint3 : Comes with an Allen wrench,fit M3 socket screws BulletPoint4 : Comes with a Plastic Organizer Box for Storage BulletPoint5 : Material: Carbon Steel. Drive: Hex Drive DriveSystem : External Hex ExteriorFinish : Plastic,Steel ExternallyAssignedProductIdentifier1 : 0763684723053 ExternallyAssignedProductIdentifier2 : 763684723053 FinishType : Brass ItemName : M3 Carbon Steel Button Head Socket Cap Screw Qty 120-piece Assortment Set with Allen Wrench ItemPackageDimensions_Height : 11.7 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 10.4 centimeters ItemPackageQuantity : 120 ItemTypeKeyword : hardware-nut-and-bolt-sets Manufacturer : HZ Ltd Material : Metal,Zinc Plated Material1 : Steel Material2 : Carbon Steel MeasurementSystem : Metric MetalType : Brass ModelNumber : US-SA-AJD-95764 NumberOfPieces : 120 PartNumber : BBS3-K ProductDescription : Feateures:Hex Socket,insert nut is made of metal material and zinc plated,brass tone. It is widely used to furniture,wood etc. It is part of fastening hardware accessory. It has and high-peformance cost ratio,must be your best choice.