Four Slim Aluminum Bolt Action Pens, one in each core color: Jet Black, Royal Blue, Purple, and Regal Red. Plus a 6-pack of black 0.55mm medium-point replacement cartridges so every pen keeps writing. What is in the box: Slim Aluminum Bolt Action Pen, Jet Black ($29.99) Slim Aluminum Bolt Action Pen, Royal Blue ($29.99) Slim Aluminum Bolt Action Pen, Purple ($29.99) Slim Aluminum Bolt Action Pen, Regal Red ($29.99) Black Replacement Ink Cartridge 6-pack ($13.99) Retail value $133.95. Aerospace-grade aluminum, precision bolt action mechanism, lifetime warranty.