Refillable liquid ink roller  X77
Liquid ink roller, liquid ink conforms to ASTM D-4236
Tip: Stainless steel conic tip
Ball: 0.5mm/0.7mm
Clip: metal
Ink color : Blue, black, red, green
Proposed packing: 12pcs/dozen box, 864pcs/carton
Advantage: Precise writing smooth to the last drop of ink at any angle. Refillable . Transparant  apperance, ideal for both office and students.