These Craft Iron Tips from Purple Cows are for burning, melting, searing, or singeing images in a variety of materials including fabric, leather, wood, acrylic, cork and foam. These shapes are perfect for incorporating into designs and borders. These ten interchangeable tips for use with Sizzle Craft Iron (pcp-5000) and the Melt Craft Iron (pcp-5050), each sold separately. The ten interchangeable tips include: pinwheel, spokes, four square, arrowhead, wagon wheel, shutters, circles, double bar, spur, crescent.