These anodized aluminum blanks are made from aluminum, ensuring they are yet sturdy. Fit for creating blank dog tags, laser engraver blanks, and other laser blanks. Each blank measures 5x3CM, making them ideal for a variety of uses including blank keychains, dog tag blanks, and other metal tags for engraving. The thickness of 0.039 inch ensures durability without being too heavy. These engravable blanks are suitable for DIY projects. Use them to create personalized dog tags, keychains, pendants, and more. The aluminum black provides a sleek, professional look. The anodized aluminum material is easier to engrave or stamp compared to stainless steel. These laser engraving blanks are polished with no edges, ensuring safety and ease of use. This set includes 50 pieces of blank dog tags, providing ample supply for all your crafting needs. Each metal tag features a pre-drilled hole with a diameter of 0.11 inch, making them ready to use for various projects. Colour:Black Material:aluminum Package Contents: 1set * metal key tags Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.