Strong, durable aluminum alloy spool + spare spool
Strong, durable aluminum alloy frame
Cybernetic Frame System (CF)
Special Anti-Twist line roller
Thick Bail-Arm System
Intelligent Oscillation System (I/O)
One-way clutch instant anti-reverse roller bearing
Computer balanced rotor
Right/left interchangeable handle
Power handle knob
Drag with carbon washers let brake be smooth