They hold the flight firmly "They hold the flight firmly on the shaft—sometimes it’s even difficult to get the flight into place. You can't use an O-ring with these, because the shaft sits at an angle when you look closely." — Tomi-Juhani P. (4/5)
These shafts did exactly what "These shafts did exactly what I needthem to. They grip the flight well and are very durable." — Dan C. (5/5)
Love these shafts! Quality is "Love these shafts! Quality is fantastic! They hold the flights amazingly great design!" — Lee O. (5/5)