Mayhew Pro Cold Chisels are specially angled for strength and available in a black oxide finish to deter rust. Many lengths and sizes are offered to fit any application. All cold chisels are made in the USA. Available Sizes: Mayhew Part No. ASC Scientific Part No. Size 10206 1180017 9” L X 1/2" W 10207 1180018 12” L X 1/2" W 10213 1180019 12” L X 3/4" W 10221 1180020 12” L X 1” W 10222 1180021 18” L X 1” W 30100 1180022 12” L X ¾” W (BULLPOINT) FAQ What are the key features of the Mayhew Pro Cold Chisels? These chisels feature a special angle for strength, a black oxide finish to deter rust, and are made in the USA. They come in various sizes to fit different applications. What materials can the Mayhew Pro Cold Chisels cut? They are designed for cutting and shaping cold metal or for masonry / stone work. Are the Mayhew Pro Cold Chisels suitable for professional use? Yes, they are built for precision, strength, and durability, making them suitable for professional use. How do I maintain the Mayhew Pro Cold Chisels? Keep them clean and store them in a dry place to prevent rust. Are there different models of the Mayhew Pro Cold Chisels? Yes, they are available in different sizes: 9" x 1/2", 12" x 1/2", 12" x 3/4", 12" x 1", and 18" x 1". How portable are the Mayhew Pro Cold Chisels? Their compact size and durable design make them highly portable and suitable for various work environments.