The Shimano Caius C Spare Spool gives baitcasting anglers a direct replacement spool for the Shimano Caius C Casting Reel (FishUSA SKU# F22777), keeping a trusted reel ready for bass, pike, walleye, and other freshwater fishing. Shimano S3D technology uses a balanced, uniform thin-wall aluminum spool to significantly reduce spool vibration, creating a smoother feel through both the cast and retrieve. Keep one on hand as a replacement or backup so your Caius C can stay in rotation when you are throwing crankbaits, spinnerbaits, jigs, and other casting presentations. Spare spool for the Shimano Caius C Casting Reel (FishUSA SKU#: F22777) S3D technology reduces spool vibration Balanced thin-wall aluminum construction Promotes smoother casting and retrieving Manufacturer's one-year limited warranty