The Black ink EnerGel XM BL57 is a refillable, quick drying liquid gel pen. An attractive pen with a stylish metallic-look chunky barrel and 0.7mm tip gives approximately 0.35mm line width. With its revolutionary liquid gel ink, the EnerGel formula is quicker drying and smoother flowing than ordinary gel ink, giving a similar sensation to liquid ink. Because the ink dries quickly it's ideal for both right and left-handed writers. That's why the family of EnerGel products gives you the ultimate writing experience! It also contains a minimum of 50% recycled material.