Thank you for viewing. This is a set of Kyoshin Elle professional-grade diamond chisels. ■ Set Contents ・ Professional Diamond Chisel, 4-prong, 3mm width ・ Professional Diamond Chisel, 2-prong, 5mm width ■ Condition ・ Only test punched on leather; not used for actual crafting. ・ Almost like new. ■ Recommended Points ・ These chisels punch holes without making noise. ・ The blades use tool steel, and are hardened and polished for smooth cutting. ※ These chisels are designed to punch holes in leather that is 2.0mm thick or more. Recommended for those who want to start handmade crafts or leathercraft, as well as professionals. This is a great value set, so please consider it at this opportunity.