Specification Brand : Proto BulletPoint1 : Made of high quality materials BulletPoint2 : Compose with chrome plated tip and high quality stainless steel body, with anti-slip knurled texture offering you very comfortable and precise operation BulletPoint3 : With the tension screw, you can adjust the best tension apply on your work by simply spin the knob BulletPoint4 : This will allow you to control the striking pressure of the double spring loaded barrel and give you the correct indentation on the materials you are using BulletPoint5 : This product is able to work on glass that means it can break the car shutter easily to help you escape out if any emergency situation happened BulletPoint6 : Mark a dimpled starting point in metal (steel, aluminum, brass, copper), wood, glass, leather or plastic surface, prevent drill bits or screws from slips away BulletPoint7 : Supplied with a light duty automatic center punch tool whose tip is interchangeable and can be replaced with a new spare tip. Packed is a sturdy quality plastic box in styrofoam case for a long life storage. Color : Black ExternallyAssignedProductIdentifier : 7657001450650 ExternallyAssignedProductIdentifier1 : 662679010256 ExternallyAssignedProductIdentifier2 : 0662679010256 GpsrSafetyAttestation : 1 HoleCount : 1 IncludedComponents : Wrench Only ItemDisplayDimensions_Height : 0.39 inches ItemDisplayDimensions_Length : 5.31 inches ItemDisplayDimensions_Width : 0.39 inches ItemDisplayWeight : 0.23 pounds ItemName : Proto J503/8 PUNCH STARTING 3/16 ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 8 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : hand-tool-center-punches Manufacturer : Proto Material : Metal Material1 : Metal Material2 : Alloy Steel ModelName : 19864 ModelNumber : J503/8 NationalStockNumber : 5120-01-335-1432 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 OperationMode : Manual PartNumber : J503/8 PowerSourceType : Hand Powered ProductDescription : Simple operation and easy installation *Material:Stainless Steel,Carbon steel *Color:black,Gold *Size:128mm,155mm *Hardness: HRC58°~65° *Diameter: about 12mm,15mm Package list: 128mm+155mm Center Punch ProductSiteLaunchDate : 2004-11-09T05:00:01-00:00 SheetCount : 1 ShipsGlobally : 1 Size : One Size Style : Modern SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 44101602