Rainbow Plastics ABL-1B A-Just-A-Bubble Float -- Clear 3/8 Oz. 3" x 1-1/4"
Easier to fill with water because of larger opening. No line damage- only surgical rubber tubing contacts the line. No knots or tying; a simple twist of the tubing secures line. No mid-air tangles. Streamlined design. Made of tough butyrate plastic. Individually blister packed for pegboard.