Engineered to provide an optimal combination of strength, abrasion resistance and shock resistance. a Easy tyinga Casts bettera Absorbs powerful impactsa Reduced untimely break-offsa IGFA Class rating DEEP BLUE - SALT WATER/BIG GAME GUIDE SPOOLS Code Size Diameter Test Strength Length FDBGS-10 4# 0.006" (0.152 mm) 4.4 lb (2 kg)* 109.4 yds (100 M) FDBGS-11 6# 0.008" (0.203 mm) 6.6 lb (3 kg)* 109.4 yds (100 M) FDBGS-12 8# 0.010" (0.254 mm) 8.8 lb (4 kg)* 109.4 yds (100 M) FDBGS-13 10# 0.011" (0.279 mm) 11.0 lb (5 kg) 109.4 yds (100 M) FDBGS-14 12# 0.012" (0.305 mm) 13.2 lb (6 kg)* 109.4 yds (100 M) FDBGS-15 16# 0.014" (0.356 mm) 17.6 lb (8 kg)* 109.4 yds (100 M) FDBGS-16 20# 0.015" (0.381 mm) 22.0 lb (10 kg)* 82 yds (75 M) FDBGS-17 30# 0.017" (0.432 mm) 35 lb (16 kg)* 82 yds (75 M) FDBGS-18 40# 0.019" (0.483 mm) 40.0 lb (18 kg) 82 yds (75 M)