Ruling pens are excellent for creating ruling lines or drawing with ink, drawing liquids, or thin paints. The Alvin Swedish Detail Ruling Pen is a single-piece 6" long tool that features a steel nib, a plastic handle, and spring construction. Line widths can be adjusted using the numbered dial.

Artline Drawing Pens issue a super-thin line that is perfect for technical applications such as drafting, illustrating and graphic design. The friction-proof nib offers a consistent writing width.

The Black Ink Pro Kit is the ultimate toolkit for comic artists, cartoonists, or anyone who likes to work in black line. The kit holds three different markers, four multiliner SPs, two SP refill cartridges, and a black Various Ink refill.

Copic's Multiliner SP color pens are available in a variety of sets. The ink is waterproof and pigment based, providing a consistent ink flow that makes drawing and lining easy and crisp. These pen sets are available in either a 0.3 mm tip or a brush tip.

Copic's Multiliner SP pens now come in a range of vibrant colors. The ink is waterproof and pigment based, providing a consistent ink flow that makes drawing and lining easy and crisp. Available in a 0.3 mm or brush tip.

Copic's updated Multiliner SP pens feature a durable aluminum body. The ink is waterproof and pigment based, providing a consistent ink flow. The Multiliner SP pen is also available with a unique brush tip that creates distinctive line variations.

Humidified Revolving Selector prevents ink from drying in pen points. Sets include 3 pen holders, bottle of ink, bottle of pen cleaner, board clamp, nib keys and cap for each point. Sets of 7 and 12 points.

For laying down dense, even-flowing lines of controlled widths. Any type and color of ink can be used in refillable ink reservoir. Tubular nib handles like a pencil, moves in any direction, on virtually any drawing surface.

This versatile pen handles like a pencil, moving in all directions without snagging or digging into the drawing surface. Use to draw precise lines with an engraver's perfection, for a loose sketching style, or a finely detailed pointillist technique.

These pigmented black ink pens are great for fine, detailed, technical drawing or free-style drawing, including manga, anime and cartooning.

This precision drawing instrument from is ideal for drawing or documenting. It's offered in a series of popular line widths to suit every need, from creating fine lines and capturing delicate details, to creating broad strokes for depth and definition.

Consistent ink flow because reservoir and breathing system are one. When ink cartridge is replaced, pen gets a new pressure equalization system. Ink flows instantly without leaks. Also replacement points & cartridges.