Daiwa J-BRAID x4 Braided Line - 30 lbs - 300 yds - Island Blue [JB4U30-300IB]J BRAID x4 Braided Line 30 lbs 300 yds Island Blue J BRAID x4 is perfect for abrasion resistance and ease of use for knot tying and line management. The 4 carrier lends itself to being a bit thinner in diameter, making it great for adding additional lines to the reel when necessary. x4 is made with the highest quality Dyneema material from Japan. Daiwa's proven high standard of manufacturing makes J BRAID one of the best on the market today.