The DS4 reel features a Body and Air Rotor design that enhances overall strength and durability. Additionally, it includes Digigear 2, a 35mm aluminum coil, Slow Cross Wrap for improved line lay, Quick Drag Clutch for quick adjustments, 3 ball bearings for smooth operation, an aluminum crank for reliability, Twist Buster II Thread Roller to reduce line twists, and an Infinite Anti-Reverse feature for solid hooksets. These features make the DS4 reel a high-performance option for fishing enthusiasts.