Dedicated anti-slip rubber to be used with the binding hook keeper.The non-slip rubber is cut to an appropriate size according to the rod. Install it by stacking it with the binding hook keeper.A non-slip rubber prevents the binding hook keeper from slipping and at the same time prevents scratches on the blanks.Compatible with rod diameters up to 33 mm.A lineup of three colors, purple, red and fluorescent yellow.Each bag contains 6 bottles of 2 for each color.