A disposable version of the refillable liquid-ink pen that offers the same high quality plots with none of the mess or maintenance associated with the refillable. The DPP® is a two-part system comprised of the nib and a pre-filled ink cartridge. Four different styles of ink cartridge are available to enable work on all of the major plotters. Inks are black permanent archival pigmented systems. Waterproof fade-resistant ink for quality plots on paper vellum and drafting film. Direct fit for Calcomp 1023 1042 1043 1043GT. Also fits Artisan 1023 1025; Artisan Plus 1023 1025 1026 2024 2036; Pacesetter 3024; and Designmate 4024 Classic 4036 Classic.