... kinds of plastic ball pen 2) reasonable price and high quality 3) OEM is available ball pen with rulerItem no.: ... Tip size: 1 mm and 0.7 mm, refill ink is blue, red, blackColor: blue, silver, purple, ... sample We supply various style of ball-point pen,such as ball-point pen with light, ruler and so on ... , you also can add your logo. Please feel free ...