Grass Round String Trimmer Line Garden Wire , 0.04 or 0.08 Inches Diameter x 164 or 50 Feet Length (Large 0.08in D x 50 ft L) Measures 0.08-inch diameter by 50-feet length ( 2.0mm x 15m ) Heavy duty green color pvc coated with high strength inner core resists breaking Square one commercial grade trimmer line loop Specially formulated to improve cutting performance Could use as plant twist tie garden training wire