Opt. Series This series features style with the distinctive writing of an oil-based ballpoint pen. Each pen features a refillable ink that contains 45% more ink than that of standard refills and a spring reinforced clip that will securely hold onto pockets, straps, documents and almost anything without breaking! 10, 100 or 1000 per order ($2.02 Per Pen) 0.7 mm ball . Oil based ball point pen . Black Ink Knock Type REFILL INFORMATION (10, 100 or 1000 per order) - 0.5 mm (Black, Red and Blue) ($.81 per refill) - 0.7 mm (Black, Red, Blue, and Green) ($.61 per refill) - 1.0 mm (Black, Red, and Blue) ($.61 per refill) - 1.2 mm (Black, Red and Blue) ($.81per refill) - 1.6 mm (Black, Red and Blue) ($.81 per refill) Opt. (Carbon) Opt. (Metal) Opt. (Cut Glass) Opt. (Dots)
