The Ampere System Turf Line Marking Machine is designed for use on grass surfaces for clean, accurate and high quality lines. Ideal for schools, sports clubs and event companies, it is one of the most robust and easy to use turf line marking machines. The new aerosol can insert is designed for quick and easy application, while the adjustable arrow helps guide the user in a straight line. Line widths can be adjusted from 8 cm to 15 cm.