... ,Ultra weld-resistant performance4,Directional aerodynamics always presents the cutting blade forward5, Premium copolymer formulation for commercial toughness 6 ... less resistance generating less noise7,Added rigidity for improved cutting and long lasting 8,Accept OEM orders9 Accept OEM ... ,blister packing, openly packing/ in bulk, spool,bag, 5pound/spool, 500g/bag, 1 LB blister donut ,etcAbout us: we are ...