Fiberglass and graphic fly rods (which also usually contain fiberglass) are produced by wrapping sheets of graphite and fiberglass around a carefully tapered steel rod (called a mandrel). The hollow rod that results from this process is called a blank. It has no guides, ferrules or reel seat.
Clint Losee is an avid fly angler of 30+ years, web developer, and Utah Landscape & Nature Photographer. You can connect with him on Instagram, Facebook, or Twitter. Curious about some of the gear he uses? Check out the new Amazon store.