M&g Extra Fine 0.35mm Black Gel Refills 20 Pcs + 1 Gel Pen Tubular Needle School and Office Supplies Stationer M&G Extra Fine 0.35mm Black Gel Refills 20 pcs + 1 Gel Pen Tubular Needle School and Office Supplies Stationer Product Package:20 pcs Office & School Pen Material: Plastic Writing Point: 0.35 mm