BIC velocity black ink with black barrel retractable ballpoint pens deliver comfort and performance all in one. Quality ink is quick-drying and smooth writing. Bic's exclusive ink system technology, Easy Glide, deliver smoother writing. Tungsten carbide ball is a perfect sphere and very resistant. The medium point delivers a 1mm line width. Contoured rubber grip gives you comfort and control. Semi-translucent barrel matches the ink color. Plastic clip attaches pen to notebooks or day planners. Ballpoint pens are refillable.