Triplus® mobile office writing instrument set. The set includes four writing instruments, delivered in a foldable STAEDTLER box. The types of writing instruments are: 1 triplus® Fineliner 334 in black, 1 triplus® Ball 431 M in blue, 1 triplus® Micro 774 with a 0.5 mm tip, and 1 triplus® Textsurfer 362 in yellow. The barrel is made of plastic, and the clip is also plastic. This assortment is the small office for on-the-go. With the foldable STAEDTLER box, you always have the right pen at hand, anywhere and anytime. The ergonomic triangular barrel ensures relaxed writing. The color of the barrel corresponds to the respective ink and lead color.