Power your Dremel engraver from a 12 Volt battery. Watch Video Here Ritchey tags are durable, visible, and a convenient way to tag your livestock. Each engravable tag is dual colored, the outer edge can be engraved away to reveal the second color underneath. This allows for permanent numberning and customizable tags.See our other Ritchey products. Just enter "Ritchey" into the search bar for more products.