"SH" stands for "SENSOR HUMP SEAT." This seat was included as a standard feature of this rod, along with technologies such as the torsion-resistant "X45 structure" and the lightweight and highly sensitive "HVF carbon." A model that combines ease of use and strength for beginners to veterans. Casting Weight: 10-45g Line Weight: 8-20lb Country of Manufacture: Taiwan Action: Moderate Fast Brand Name: Daiwa (DAIWA) Series Name: TEAM DAIWA-S Technology: AMORPHOUS WHISKER Application: Lure rod used for saltwater fishing, such as sea bass (Suzuki). Thank you for viewing.