Tip sizes range from very fine to calligraphy widths: common point sizes are 0.4 mm, 0.5 mm, 0.8 mm, 1.0 mm and up to 2.0 mm (calligraphy tips).
Typical specs listed: 18 W working power; input 100–240 V AC; output 7.5 V / 2.5 A DC; tool reaches about 150°C in roughly 10–15 seconds.
Writing pens and markers: paper, cards, vinyl and Smart Label materials. Electric cutting/engraving pens: styrofoam, foam boards and foam blocks.
Inks are described as water-based, acid-free, nontoxic and becoming permanent after drying. Some listings state compliance with ASTM D-4236.
Kits typically include multiple heating heads (short/long straight heads, arc head, bow head), a handle, cutter/knife holder, outline pen and heating wire, replacement bow wire (10 m), and a power supply/transformer — one kit specifies a US plug.
Craft multi-pen assortments combine types such as glitter-gel pens, medium markers, fine-point pens (about 0.4 mm) and calligraphy tips (about 2.0 mm).