Lucid TAC Pen Black Ink. The Lucid Optics TAC Pen is precision machined and hard anodized for amazing durability and longevity. The Lucid Optics TAC Pen with Black Ink is a functional writing instrument as well as a perfect for what ever the situation may call for. Specifications for Lucid Optics TAC Pen Tactical: Manufacturer: Lucid Optics Color: Black Fabric/Material: Aluminum Features of Lucid Optics TAC Pen - Black Ink: Hard Anodized Black Ink Aggressive Piercing Point Flutes and grooves provide secure grip Precision machined 6061 Aluminum Package Contents: Lucid Optics Tactical Pen w/ Black Ink Lucid TAC Pen Black Ink