The Fowler 52-500-015-0 Black Nitrate Heavy Duty Center Punch delivers a high-impact strike to form an indentation as a reference point for drilling holes without slipping. It features hardened ends for durability, light or heavy strokes. A black nitrate finish and knurled finger grip make this tool very versatile for working on different materials such as metal or wood. All sizes are marked for fast and easy use. This product has a 1-year warranty offered by Fowler High Precision. Fowler, an American company, manufactures premium inspection and measurement instruments like electronic indicators, calipers, bore gages, and micrometers. The company, founded in 1946, is headquartered in Canton, MA.