无需弹簧的栓动笔，使用磁吸驱动

适用欧标G2笔芯

材料清单：欧标G2笔芯一支，M3*8螺丝一颗，6*4 N52磁铁三颗（尾盖两颗，笔芯载具一颗），特氟龙胶带

Boltaction pen that does not require a spring, it use magnet instead.

fit parker style G2 refill

Materials required: parker style g2 refill*1, M3*8screw, 6*4 N52 magnet*3(two for the end cap, one for refill carrier)，some teflon tape