36Pcs 40Cr Stamps Set 5/32" (4Mm) A-Z / 0-8 / "&" Punch Tool With Wood Case

The letter punch set is made of steel (40Cr) with alloy structure, which is wear-resistant and heat-resistant, durable and will not wear out after repeated use. The surface is blackened, anti-corrosion and rust-proof, suitable for long-term use. With sharp and precise edges, metal number stamps allows for quick and efficient marking of numbers on tags, keys, keychains, pendants, dog tags, signature stamps, etc., making it a great accessory or personalized gift. Suitable for various applications, including metalworking, jewelry making, woodworking, and leather crafting, metal stamps can be used to mark or engrave on soft metals like aluminum, tin, copper, brass, as well as wood. Comes with a wooden box to keep the stamps organized and protected when not in use. This feature helps preserve the condition and life of the stamps while also making it easier to find and quickly get the stamps you need.