1.9mm 550lb Braided Spectra(R) Speargun Reel Line (reel not included) FIBER TYPE: 100% Honeywell Spectra(R) UHMWPE Fiber made in the USA. No off brand substitution! No fine print about other fiber in the braid! DIMENSIONS: 1.9mm DIA x (Select Length) TENSILE TEST: 550lb TENSILE TEST: 550lb(See important notes about tensile strength and appropriate applications in main description) CONSTRUCTION: 16 carrier braided Spectra jacket over parallel Spectra core SPEARGUN REEL/SHOOTING LINE: Standard sized, super tough line fills most speargun reels to their stated capacity or a versatile all-purpose conventional shooting line. SURVIVAL/TACTICAL/OUTDOORS: With its incredible strength to weight ratio and toughness, nothing earns its place in your pack as well as Spectra cord.