Catfish Sumo Sinker Bumpers keep your knots from taking a beating by absorbing the shock and friction caused by sliding sinkers during hard casts, heavy runs, and long fights. Molded from tough, flexible silicone, each bumper acts as a cushion between your weight and swivel, helping extend the life of your rig and giving you more confidence when targeting big blues and flatheads. Each pack includes 25 bumpers. Tough silicone construction resists cracking and tearing Protects your knot from sinker impact and wear Quantity per pack: 25