Introducing the COSMO DARTS CASE-X dart case with stepless adjustment of the total length. It can hold darts up to about 7.1 inches (180 mm). We also pay attention to our vibrant colors. â– Specifications Size (approx.) Height x Width x Height x Height x Width x Height x Height x Height x Height x 5.3 - 7.2 x 3.3 x 1.6 inches (133 - 183 x 85 x 40 mm) Storage