書寫用品/多用途筆規格：● 筆尖／不鏽鋼● 滾珠／0.7mm碳化鎢滾珠● 筆桿／聚丙烯(Polypropylene)TPE握柄● 墨水顏料／4色( 黑、藍、紅、綠 )● 替芯／SXR–80–07( 3色黑、藍、紅 )