We have Hollow Core Braid by @tightlinebraid Available in 150#, 200#, 300# in 600 yards! We can also spool them for you and splice it to

C-16 Hollow Core Backing Splicable (600 Yards) (Blue, 40lb) : Sports & Outdoors

Momoi Diamond Braid Generation III Fishing Line Hollow Core - Blue - 60lb - 600 yds : Sports & Outdoors

Tight Line Premium 12 Strand Hollow Core Braided Line — HiFishGear

Diamond Braid Gen 3 Blue Hollow Core - 600yds - 200lb - TackleDirect

TIGHT LINE HOLLOW CORE BRAID 2500 YARD SPOOL - Leadertec

Comparing Diamond Cortland And Tightline Hollow Core Braids Which Will hold More Line Capacity P.1

Momoi Diamond Braid Generation III Fishing Line Hollow Core - Blue - 60lb - 600 yds : Sports & Outdoors

Jerry Brown Line One Hollow Core Braid White

Lihue Fishing Supply

Black 12 Strand Hollow Core 130 lb / 1250 Yards