The new Daiwa 21 BG Black LT ARK nodel spinning reel has the ARK (Aluminum Round Knob) knob is designed to offer maximum comfort and practicality even in the most demanding fights, robust and powerful reel, equipped with a spherical aluminum knob (Aluminum Round Knob). The aluminum body is torsion-proof, while the clutch is a powerful Carbon ATD (Automatic Tournament Drag): unlike traditional clutches, the carbon discs maintain great mechanical efficiency even in the event of overheating caused by furious fights with fish large size. Aluminum body. Air Rotor in DS4. Tough Digigear. ARK Knob in Aluminum. Light & Tough concept. Aluminum handle. Long Cast ABS Aluminum Spool. 6 bearings (5 bb + 1 roller). Carbon ATD (Automatic Tournament Drag) clutch. Infinite Anti-Reverse. Twistbuster II line roller. Cross Wrap Spooling.