Koh-I-Noor Rapidoplot plotter pens. Fits most HP-compatiable plotters. Disposable versions 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. E-Style inks are black, permanent, archival, pigmented systems. Direct fit for Hewlett Packard drafting and compatible plotters. Ink can be used on either paper or water-reactive overhead transparency film. Sizes and ink colors as shown below. The HP Plotter pens are designed to be used on vellum, bond paper, chart paper, general purpose papers, and Mylar drafting films.
Fits HP-compatible plotters: HP 7550A; HP 7550B; HP 7570; HP Draftpro 7580A; 7585A; 7586A; 7595A; 7595B; 7596A; 7596B. 7599A; HP Draftmaster 1.11; MX; RX; 5X; HP Draftpro DXL (7575A); HP Draftpro EXI (7576A); Roland DXY Series and other similar plotters. Made in USA. Rapidoplot disposable plotter ink pens.