Mayhew mason chisels are used for cutting, shaping, and removing block or stone. This is a true industrial grade tool that is 100 percent Made in the USA. Utilizing high carbon steel for strength and durability, and heat treated with a fully automated infrared controlled process, this tool is then finished with a rust preventative coating for years of exceptional use. Specifications: 100% Made in the United States All chisel sizes are 7.5" long True industrial grade tool Alloy steel for hardness and durability Multiple forged tool for additional strength Precision ground cutting edge Automated, infra-red controlled heat treated tool for quality and performance Rust preventative coating applied to steel for additional protection