Cyclone CY155D1-12 0.155-Inch by 105-Feet Commercial Trimmer Line, Red Trimmer line ideal for landscaping professionals Features patented 6-bladed shape for added cutting power Proprietary commercial grade copolymer nylon provides superior strength and durability Perfect for high-wheel trimmers; for use with all 065-Inch diameter trimmers Measures .155-Inch-by-105-Feet