These metal letters are perfect for burning words on wood signs or personalizing a variety of projects. They work well with wood, paper, leather, fabric and more. Use pliers to attach the 26 individual Hot Stamp letters to any Walnut Hollow hot tool. Details:5/8" (1.59 cm) letter height6 packs (26 letters per pack, 156 total letters)Letters fit any Walnut Hollow hot toolBrass