Well I'm not sure how fire line is but I've heard good things. Picked 5 spools up for 18 bucks. : r/Fishing_Gear
Berkley FireLine Crystal 114m Fishing Line - Finish-Tackle
Berkley FireLine® Crystal Braided Superline Fishing Line 6lb
6LB Test - Size D Berkley Fireline Thread 50 Yard Spool - Crystal
Berkley Fireline Crystal Tournament Exceed
4 Boxes Berkley Fireline - $30 - sporting goods - by owner - sale - craigslist
6 LB Crystal Fireline Beading Thread 125 Yds Fireline Crystal 6lb Beading Thread Berkley Fireline for Beading, Best Beading Thread, S-00011 - Australia
Berkley FireLine Fused Crystal Fishing Line - 125 Yards
4 LB FIRELINE CRYSTAL .005 IN/.12MM DIA 50 YRD - Capital City Beads
Berkley Fireline Micro Ice - LOTWSHQ