Guardhouse brand coin tubes feature a unique, proprietary design and are the perfect solution for storing your nickles. Sleek and ergonomic, the Guardhouse translucent snap-tight lids and tubes allow for easy identification of their contents and stack for tidy storage. Bulk Guardhouse brand coin tube boxes are clearly labeled to identify contents and come in interior boxes of 100 and master cases of 1000 (10 boxes of 100). Patent: D782772 Guardhouse Coin Tubes#: 091037816672. Size: Nickel. Sold in Packs of 100.