The new Twin Power SW-B features a Shimano Hagane body and main gear with X-Ship technology. This combination produces the strength and power needed for extreme saltwater fishing, especially when fishing for large, hard fighting species. X-Shield and X-Protect are used throughout the Twin Power to provide excellent water resistance and the powerful drag is controlled by X-Tough carbon washers for totally reliable performance. Although designed as a saltwater reel, this model also makes an excellent reel for heavy duty freshwater species like catfish.