ALM Manufacturing Replacement Trimmer Lines to fit most models of garden trimmers. Available in various lengths and thicknesses. Manufactured in the UK.This ALM Manufacturing SL003 Light-Duty Petrol Trimmer Line is suitable for use with all makes of light-duty petrol trimmers. (16-25cc). Specification: Diameter x Length: 2.0mm x 20mColour: GreenAdditional Information:• Use: Petrol Trimmer Line• Line Diameter (mm): 2• Length (m): 20