Specification Brand : TPFOON BulletPoint1 : Metal punch stamp: suitable for stamping aluminium, brass, copper, silver, gold and ect. (also fits for annealed steel and hot stamping on steel) BulletPoint2 : The image should be sent before the purchase to make sure it is doable. BulletPoint3 : The optional size of the stamp is 4-20mm. If you want it larger than 20mm, it needs to be custom made. BulletPoint4 : If you want to customize the stamp, please upload high-resolution black and white (not grayscale and not colorful) logo in JPEG, PNG, AI, EPS, CDR, JDP or PDF format. BulletPoint5 : Black areas of your logo will be raised on a stamp (black areas of Your logo will be pressed into the blank). Please note that solid patterns require professional stamping equipment to leave marks. Color : Metal ExternallyAssignedProductIdentifier1 : 0653871032498 ExternallyAssignedProductIdentifier2 : 653871032498 ItemName : Custom Logo Stamp for Blacksmithing, Custom Metal Stamp, Personalized Blacksmithing Stamping Tool, Punch Stamps, Punched Dies, Iron Stamp Metal Embossing ItemPackageQuantity : 10 ItemShape : Round ItemTypeKeyword : jewelry-metal-stamping-tools Manufacturer : TPFOON Material : Metals (Aluminium, Brass, Copper, Silver, Gold, Annealed Steel, Steel) ModelName : Metal stamp ModelNumber : Metal stamp NumberOfItems : 1 PartNumber : 1 ProductDescription : ProductSiteLaunchDate : 2023-05-18T06:41:17.113Z Size : 30mm SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 44102414