Fits to Daiwa 15XX bait casters, including Daiwa 15Zillion TW1516. It also fits to Daiwa 2006-2009Zillion TWS100 export reels. This spool is to cast the longest for heavier than 1/2oz rigs. The brake rotor spring is 4 times stronger than regular spools, making it emitting far less brake force than regular spools. G1 duralumin material is employed. Spool dia 36mm, weight 14g, 0.330mm(JP16lb, US14lb)-100m(110yds).