The National Band and Tag Co. Laser Etched 2 Sides Tags, 10051L2, are durable identification tags designed for small animals in research and lab settings. Made from .018 in Monel, with laser etching on both sides for clear identification, these tags accommodate up to 6 digits each side. Supplied in a 1000-pack, they are versatile for various species. The robust design ensures reliable performance, making them ideal for a wide range of tagging applications.