The Sheaffer 300 rollerball in Gloss Black with a Chrome Cap features a glossy black lacquer over brass barrel and shiny chrome cap that is accented by shiny chrome trim. The Sheaffer 300 rollerball feels impressively weighty yet luxurious in the hand, and utilizes a snap cap mechanism to close the pen. One of the best features is the distinctive “catch” when you post the cap on the end of the barrel. There is no question that the cap in on securely, and you can write enthusiastically without fear of your cap flying across the room.