Daiwa J-Braid X4 Braided Line w/ Filler Spool 300yd 20lb Island Blue. The 4 Carrier lends itself to be a bit thinner diameter great for additional line on your reel when necessary. x4 is made with the highest quality Dyneema material from Japan. With Daiwas proven hi standard of manufacturing makes J-Braid one of the best on the market today. Specifications for Daiwa J-Braid X4 Braided Line w/ Filler Spool: Manufacturer: Daiwa Line Type: Braided Quantity: 1 Package Contents: Daiwa J-Braid X4 Braided Line w/ Filler Spool Daiwa JB4U20-300IB: J-Braid X4 Braided Line w/ Filler Spool 300yd 20lb Island Blue