Its multi-carbon drag allows fish to run at stable load, rapidly removing energy from fish. Smooth and reliable gear system allow anglers to cast and retrieve rigs all day long, leaving the least fatigue. The combination of power and smoothness is what you obtain from Stella SW. Model details: 4000XG: light casting using 25-35lb braided for skipjacks, mahi, barra and etc with 6'-7' offshore rod, L power surf 8-9' rod 5000PG/6000PG: light jigging with 40-120metal jigs, 30lb braid, fish up to 7kg, 5000HG/5000XG/6000HG: light casting using 30-40lb braided for skipjacks, mahi with 6'6"-7'6"offshore rod, 8'-10' L-ML power surf rod, 8000PG: Jigging with 80-200g metal jigs, 30-50lb braid, fish up to 10kg, king, yellow tails, amber, etc 8000HG: casting using 30-60lb braided for king, amber, yellow tails, yellow fin tuna up to 20kg, large mahi, large sail fish 14000XG: casting using 30-60lb braided for king, amber, yellow fin tuna up to 30kg, black fin tuna 30kg, 18000HG: GT popping, tuna up to 70kg, 20000PG: Super deep jigging using 200-300gram for 100-150m deep for amber, Iso-maguro. Marlines. 30000: Black fin tuna 80-100kg over, Marlines. Features Super efficient X-SHIP gear sytem AR-C spool design reducing line troubles Water proof gear box Sturdy aluminum alloy body E I treated spool 2 times salt-resistant 20% thicker X Rigid gears Anti-rust ball bearings Diamond coated cut-free line roller Improved carbon disk-drag twin drag system (larger than 8000, huge additional drag washers are inside the spool skirt) Metal hollow grip for 4000-8000 Ergonomic rubber grip for 10000-30000 No spare spool Made in Japan