PENN Fierce IV 2500 Spinning Reel.PENN Fierce IV 2500 Spinning Reel. Product Description Saltwater anglers choose the PENN Fierce IV spinning reels because they want a platform that gets the job done. These reel boasts a full metal body and sideplate and is paired with the PENN HT 100TM Drag. By adding sealed bearings, PENN gave this already dependable platform an additional edge. The FierceTM IV can handle any inshore, nearshore, or surf application with the durability you can expect