Butt Section
From The Angler's Dictionary — your encyclopedia of fishing rods, reels, and tackle
The butt section is the lower portion of a fishing rod — the thick end that includes the reel seat, handle, and the first several inches of the blank above the grip. On a two-piece rod, the butt section is the bottom half. It is the stiffest part of the rod and provides the structural backbone for fighting fish and leveraging hook sets.
The butt section houses the reel seat (where the reel attaches), the fore grip and rear grip (made from cork, EVA foam, or hypalon), and the butt cap at the very end. Some rods feature a fighting butt — an extended section below the reel seat that rests against the angler's body for leverage during prolonged battles with heavy fish. The length and design of the butt section affect balance, comfort, and casting mechanics.
A well-designed butt section places the rod's balance point near the reel seat, so the rod feels light in hand despite its total weight. Moving the reel seat forward or backward along the butt section shifts the balance point — which is why different rod styles have different handle configurations.