Hero 91 Smooth Fountain Pen Classic Style<br>Specification:Dimensions: length 138mm， 12mm diameterWeight: 37gClassic style， ， durable quality， smooth writing experience，<br>Use and maintenance:Do not use black ink containing gum to prevent silt blocking the writing structure， the impact of the water.Writing should not disassemble the structure， in order to avoid lost or damaged parts.Protect the metal surface plating (coating) to prevent collision between hard metal and mill inspections， and avoid contact with acidic and basic solutions， use a soft cloth to wipe test， keep the pen body often new.<br>Package included:1 x pen