Do these fit standard dart stems?

Yes. They are standard-shape flights made for ordinary nylon and plastic stems, so they press onto the stem slot the usual way.

What is the difference between standard and slim flights?

Standard flights have a wider wing, which adds lift and drag for a steadier, slower dart. Slim flights cut through the air faster but are less forgiving.

Are they for steel-tip or soft-tip darts?

Both. The flights are not tied to a tip type; what matters is that your stems take standard flights.

How many flights come in the pack?

Three sets, so three complete flights for a set of darts, with spares if one splits.

Will the flights stay on the stem?

Usually, but some owners report the slot loosening with use and the flight popping off. Pressing them firmly onto the stem helps.

Are they worth it over molded flights?

Molded flights hold their shape longer but cost more and bend less forgivingly. These plain flights are the cheaper, simpler option for players who replace them often.