YGK Algon Assist WX Braid Metal Type Wire Core 4m Size 20, 180lb White 9446Braided wire core assist hook leader with 140lb test strength. 4 meter spool of white color coded Size 15 wire core. Designed for heavy duty applications when targeting large saltwater species. Wire core provides abrasion resistance while the braided outer layer offers flexibility for knot tying. Size 15 corresponds to approximately 1. 5mm diameter. Use with cut bait or live bait rigs where strong, durable leaders are required. TARGET USE: Heavy