长刀研新版NM nib
评语：近乎完美的打磨 手感舒适易控
https://i.imgur.com/dzVtphr.jpg
https://i.imgur.com/punJ45M.jpg
https://i.imgur.com/m6AhWWr.jpg
写乐21k M nib
评语：前端缝稍大 但写感仍然不错 有时候一点点刮
https://i.imgur.com/D9Qm4pp.jpg
https://i.imgur.com/loF47NP.jpg
写乐21k Blue Azur M nib
评语：打磨完美 手感舒适 任何方向都滑顺
https://i.imgur.com/9hwhRbu.jpg
https://i.imgur.com/OnUxMGN.jpg