Product Features Smooth no-twist rolling barrel operation, brass bells Constructed of black anodized brass For many species from Trout to Albacore Each package comes with a pin to keep the same swivel sizes organized Breaking Strength: Size (1/0) 133lb/60.3kg Size (1) 104lb/47.2kg Size (3) 88lb/39.9kg Size (5) 71lb/32.2kg Size (7)48lb/21.8kg Size (10) 31lb/14.1kg Size (12) 20lb/9.1kg Size (14) 9lb/4.1kg