TAJIMA CR401S Chalk-Rite Chalk Box - Dura 1 mm chalk snap line with integrated handle release. This high quality chalk box is another of Tajima's fine Japanese products suited for contractors and homeowners who want quality tools. Premium elastomer-wrapped end hook and built-in end hook stay. Extra heavy-duty chalk box with bold premium braided caulkline. Rugged aluminum case with non-slip grip.