Refill: compatible with uni-ball UMR-10 cartridges

This set of Fineliners from Stylefile includes the sizes 0

This eraser has two different working ends for two different jobs

Before first use

leuchtturm1917 notebook a5 hard cover squared Jake Refill: compatible with uni-ball UMR-10A precise 5 x 5 mm graphing grid notebook for engineers, developers, technical designers, and mathematical researchers who need clean geometric structure for charts, algorithms, layout calculations, and architectural wireframes. The grid lines print in a discrete muted tone that guides without overpowering ink work. Thread bound flat lay hardcover, 80 g m ink proof acid free paper, 251 numbered pages. Format: A5 (145 x 210 mm) 251 pages 5 x 5 mm