Raptor trimmer line is made from a high-quality BASF material. All components of this line have been designed for commercial landscape applications. From the quality and strength of the spool itself to the actual materials used to make line, this product is nothing but heavy duty! The 5-pound spool is easy to manage and cost effective with commercial grade quality. Raptor twist line consists of a flexible co-polymer that provides maximum strength and longevity. SPECIFICATIONS - 5lb Spool Twisted Raptor Trimmer Line, Blue Color, 095 Diameter, Approximately 1445ft/ roll, Commercial Grade Extended Life Long Lasting Trimmer Line, Heavy Duty Plastic Spool.