MSR Pole Repair Splint
Don't let a broken tent pole interrupt your trip: our tent pole repair kit provides everything you need to get through in one piece. A repair sleeve covers standard-size poles on most backpacking tents, and an adjustable splint repairs larger poles up to 20mm in diameter. Tent pole repair is easy to do on the fly with this all-purpose kit.
SM - fits most 1-3 person tents, 13mm,
LG - fits most 2-4 person tents, 16mm.