tuna fishing line composition 　 tuna long line 　 nylon mono line 　 nylon filament main line 　 main line 　 branch line / sekiyama 　 swivel  　 connection part 　 armor spring / anti-friction tube 　 branch hangers / hook 　    sword fish snaps / sleeves 　 pressers, tip & working tools 　 accessory working wears 　 xenon strobe light / strobe light 　 radio buoy 　 super long life buoy 　 line hauler