Spanner size: approx. 85 mm/3.35 inches Diameter of the washer: approx. 24 mm/0.94 inches Diameter of mowing rope: approx. 2.4 mm/0.09 inches Material: aluminium 1 Set of Replacement Aluminium Grass Trimmer Head Brush Head Lawn Mower Head Accessories Cutting Line Head for Professional Treated Strimmer