These precision-engineered carbon steel letter and number stamps feature a durable nickel-plated finish for long-lasting performance and resistance to corrosion. Designed to produce clean, sharp impressions in a single impact, they are ideal for marking metal, wood, leather, and plastics. Each stamp has a 3 mm character height, providing clear, legible results suitable for professional workshops, DIY projects, crafting, and identification tasks. The robust construction ensures consistent alignment and accuracy, while the comfortable shank design helps maintain control during use. Perfect for serial numbers, initials, labeling tools, and creating permanent marks on a variety of materials.