Working in pen is beautiful and fun. I tend to work a lot quicker with pens than a lot of wet media. Staedtler makes a fine tip pen set
Staedtler Triplus Fineliner Pens, 0.3mm, Black, Pack of 10 (334-9) : Office Products
STAEDTLER Triplus Fineliner Set of 10 – Opus Art Supplies
STAEDTLER Triplus Fineliner Pen Sets
Fineliners
STAEDTLER Triplus Fineliner Set of 10 – Opus Art Supplies
Fineliner with superfine (0.3mm), metal-clad tip. Ergonomic triangular shape for relaxed and easy writing. DRY SAFE can be left uncapped for days without drying up. Water-based ink. Washes out of many textiles.
Staedtler Fineliner TriPlus 20-Pack Pens
Staedtler® Triplus® Fineliner
Vibrant Assortment: Comes in a variety of 30 bright colors to suit any need. Fine Point: The 0.5mm fine tip allows for precise lines and details.
Staedtler Triplus 334 C30P Fine Liner Pens in 30 Colours
Staedtler Triplus Fineliner