Formed from the finest marine alloy, using AFTCO's unique swaging process, the One-piece Unibutt aluminum butt and reel seat is unitized for maximum strength with minimum weight. The aligning pin-plug, gimbal and fixed hood are locked in permanent alignment so the gimbal, rod and reel guides always line up. The ferrules are precisely machined to ensure complete interchangeability of rod tip sections, and an O-ring on the ferrule prevents corrosion between ferrule and reel seat. A Teflon ring inside the collet nut assures a snug fit, prevents galling and allows easy removal of the nut.