Easy assembly / dismantling: The swivel makes it easy to attach the leader to the main line. Breaking resistance: The line matches the size of the hook for greater strength. Robustness: The hook used in this rig doesn't open, even when taken by a big fish. Ease of use: There's a boilie screw with the hair line to make it easy to rig your bait. COMPOSITION: 1 leader for boilies 20 cm long with hair rig, boilie screw and swivel, protected by a sheath. Sold with 10 Stop-Boilies. BRAID DIAMETER: Hook nDegrees2: 45 /100 Hook nDegrees4: 45/100 Hook nDegrees8: 42/100 BRAID STRENGTH: Hook nDegrees2: 35 lbs / 15.88 kg Hook nDegrees4: 30 lbs / 13.61 kg Hook nDegrees6: 30 Lbs / 13.61 kg HOOKS: Long-shank hook and micro-barb.