Detailed Product DescriptionModel no.: M4IN1-1, M4IN1-M111, M4IN1-M113, M4IN1-M110
Hold the Pen backward about 30 degrees inclined, with a wish color mark
or the "0.5" mark facing to you, then press the top button for refilling.
Inner packing:
1pc/OPP Bag, 50pcs/inner box
Outer packing:
500pcs/ctn