IDEAL FOR PAINTING LINES ON ROADWAYS IN PARKING LOTS ATHLETIC FIELDS INDUSTRIAL PLANT FACILITIES AIRPORTS AND OTHER FACILITIES. THE UNIT'S ALL STEEL CONSTRUCTION IS DURABLE WHILE THE VAS HAS 7"" WHEELS THAT ARE DESIGNED FOR USE ON MOST SMOOTH SURFACES SUCH AS PAVEMENT AND ASPHALT. WHEN SET AT THE HIGHEST ADJUSTMENT FOR THE WIDEST STRIPE THE LINE EDGES MAY NOT APPEAR AS CRISP AS THEY DO WITH THE NARROWER SETTINGS. REVIEW INSTRUCTIONS SUPPLIED WITH THE UNIT AND BACK PANEL OF STRIPING PAINT CAN BEFORE USE.