Description Compact ballpoint pen refill with adaptor, waterproof. Available in black, and blue in the line sizes F, M and B; red and green in M only. Writing capacity varies according line size from approx. 4,500 to 8,000 m. Refill for most of the LAMY ballpoint pens. Size (W x H x L): 0.24 x 0.24 x 4.17 mm
