Can you give me two refill of each color for the ballpoint pen ?
能不能请价钱给这支圆珠笔每种颜色配两根替换笔芯？
Several non-us companies such as pentel , pilot , and uni-ball currently manufacture colored refill leads in a limited range of diameters ( 0.5mm , 0.7mm , or 2mm ) for their own products .
