10FMU (TT 0270 Pre Program Key Pin)

Genuine Shimano Pre Program Key Pin (part #10FMU), also referenced as TT 0270. This key pin is an integral component of the preset drag system found in Shimano TT-series conventional reels, including the Tiagra, Trinidad, and Torium models. The pre-program key pin enables the reel's preset drag feature, allowing anglers to set a predetermined strike drag position for quick, repeatable drag engagement when a fish strikes. Cross-references part number TT 0270. A factory-original Shimano replacement pin engineered for precise fit and reliable function. Available from Offshore Tackle & Repair in Stuart, FL — your trusted Treasure Coast source for Shimano reel parts and service.