Ajax Rivet / Zip Gun Chisels are manufactured from American Made High Grade Alloy Steel. Ajax Chisels are offered in various shank and point styles, and receive varying degrees of hardness to fit the specific application that is required. This class of chisels is used for metal cutting, scraping, splitting, and driving applications. Auto Body Repair Shops use these Ajax Chisels for general body repair or replacement. Plant Maintenance use these chisels in general maintenance and repair. Foundries use these chisels for chipping small castings.