Koh-I-Noor - Rapidomatic Mechanical pencil

Rapidomatic Mechanical pencil

5633 red barrel / 0.3 mm / each carded
SKU: 25335
MPN: 5633.BC
5633 red barrel, 0.3 mm, each carded
List: $22.10
$16.58
SAVE 24%
5635 white barrel / 0.5 mm / each carded
SKU: 58167
MPN: 5635.BC
5635 white barrel, 0.5 mm, each carded
List: $22.10
$16.58
SAVE 24%
5639 navy barrel / 0.9 mm / each carded
SKU: 61422
MPN: 5639.BC
5639 navy barrel, 0.9 mm, each carded
List: $22.10
$16.58
SAVE 24%
5637 grey barrel / 0.7 mm / each carded
SKU: 66852
MPN: 5637.BC
5637 grey barrel, 0.7 mm, each carded
List: $22.10
$16.58
SAVE 24%

Professional mechanical pencil delivers precise, balanced control

Metal knurling provides genuine grip security during extended drawing sessions, a tactile advantage over smooth-barreled alternatives. Koh-I-Noor's Rapidomatic combines this functional grip with practical design elements that matter when you're working through technical drawings or detailed sketches. The lead degree indicator rotates to display your current hardness, useful when switching between pencils or sharing tools in studio settings.

Color-coded hexagonal barrels identify lead sizes at a glance and prevent rolling across tilted drafting tables. The push-button mechanism advances lead consistently without requiring the grip adjustment that side-click designs demand. A sturdy metal clip secures the pencil in pockets or cases without bending or loosening over time. The integrated eraser tucks beneath the top button, accessible but protected from desk debris.

Engineering and design students appreciate how this pencil balances in hand, substantial enough to feel controlled without causing fatigue during multi-hour sessions. The diamond-cut grip area maintains purchase even when your hands warm up during concentrated work. Whether you're rendering perspective studies or calculating structural details, the Rapidomatic handles the precision work that academic projects require.

PRODUCT INFORMATION

  • Knurled grip with diamond-cut pattern
  • Lead degree indicator on barrel
  • Color-coded hexagonal barrel design
  • Push-button lead advancement mechanism
  • Built-in eraser under top button
  • Sturdy metal clip for portability
  • Balanced design for extended drawing sessions
Drawing and Illustration

Drawing and Illustration Purchase Guide

Drawing and Illustration Materials

Calligraphy Inks - Specialized inks for calligraphy and pen work. Includes traditional sumi ink, colored calligraphy inks, and metallic formulations for decorative writing.

Markers - Professional markers including alcohol-based, water-based, and pigment markers. Perfect for illustration, design work, and mixed media projects.

Pastels - Soft pastels, oil pastels, and pastel pencils for vibrant color work. Excellent for blending and creating rich, textured drawings.

Pencils - Graphite pencils in various hardness grades, colored pencils, and specialty drawing pencils for different techniques and surfaces.

Pens - Technical pens, fountain pens, and specialty drawing pens for precise line work and detailed illustrations.

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