Intended as a permanent replacement for skewers. Made of a magnetic alloy to be compatible with the new Rolling Platform that has magnetic slots.
Brushed steel surface, rigid and hard to bend, infinitely re-usable. Use em, clean em, use em again and again!
2.0 or 2.5mm Diameter
2.0 = tighter draw, less airflow
2.5 = lighter draw, more airflow