【规 格】：底座圆盘直径7.2cm；磁性圆锥体：底部直径2.3cm,上部直径1.1cm，高2.2cm；圆珠笔长13.2cm，最大直径1.3cm

【材 质】：合金镀镍抛光 磁铁
【Specifications】: base diameter of the disc 7.2cm; magnetic cone: the bottom diameter of 2.3cm, the upper diameter of 1.1cm, high 2.2cm; ballpoint pen length 13.2cm, maximum diameter of 1.3cm

【Material】: Alloy nickel-plated polishing magnet