Penn Senator® Rods feature a tubular glass blank with Penns Integrated Solid Tip (IST) for added durability, and a significant decrease in overall weight versus solid glass blanks. Other key features include AFTCO Roller stripping guide and tiptop, with chromed stainless In-Between guides for the best combination of line-wear protection and economy. All Senator® Rods include Penns Slick Butt® for increased durability and ease of quickly removing the rod from the rod holder under the intense pressure of a submarining fish. This combination of chromed ring guides and rollers with Penns Slick Butt® is indicated by the RS model designation.Penn Senator® Rods also feature machined reel seats, capable of standing up to the intense pressures oversized fish can exert on tackle, and a metal gimbal for serious fishing applications. Finished in charcoal gray, Penn Senator® Rods feature a new checkered butt-wrap for improved appearance.