LAMY M66 rollerball pen refill made of metal for Lamy rollerball pen without cap. Available in the following colours: M thickness: black, blue erasable, red, green. Thickness B: black and blue (not erasable). For most Lamy writing instruments, we offer spare parts and accessories with higher quality and a wide selection. The high-quality leads from Lamy guarantee a long writing pleasure. Brand description: A company with tradition: founded in 1930 by C. Josef Lamy the ink flow technology of the "Tintomatik" of the LAMY 27 leads to the brand breakthrough. The next milestone took place in 1966 with the Lamy 2000 fountain pen. Since then, Lamy's quality promise has been consistently reflected in every product. Lamy stands for responsible use of ecological, economic and social resources. This is evident from the consistent quality control of the materials and the manufacturing process to the recycling process. The fountain pens are designed for long-term use and thus fulfil the sustainability aspect: that's what Lamy stands for with its quality promise.