Heavy Duty Coin Tube Box - Nickel/Blue Guardhouse heavy-duty coin tube boxes for nickels are designed to perfectly accommodate 50 round or square coin tubes. Made in the USA, Guardhouse heavy-duty coin tube boxes feature re-enforced tape filaments and internal dividers constructed of thick, multilayer chipboard. Guardhouse coin tube boxes have a high quality exterior, are manufactured with thumb-cut notches and are ideal for shipping or storage.