Neodyme Pens use powerful neodymium magnetics. The pen tip automatically extends when the pen is removed from the safe breakaway lanyard, and automatically retracts when returned - no cap to worry about, and no pen marks on your clothing! It's the quick and easy pen that's always there when you need it, and easy to return to its lanyard when not in use. Writes in black ink. Includes safe breakaway lanyard.