best oem service quick & eliable shipping The meterial of the pen is MBS. There are seven color pen refills inside.

SIZE:147*17mm

WEIGHT:17.9g

PACKING:25pcs/box*500pcs/ctn

GW/NW:10.5/9kg

MEAS:32*20*45cm

NIB SIZE:0.5mm/0.7mm/0.9mm

EX-N370 multifunction pen