1. PRODUCT PARAMETERS: This line marker is made of cast steel. It allows you to draw straight lines, curves, and circles with the line marking machine, and the line width can be adjusted between 5 and 15 cm. The adjustable height ranges from 7080 cm, clear and simple, no experience required. 2. STABLE CONSTRUCTION: The product is wearresistant and features shockabsorbing wheels with guide markings for aligning the reference line. Comfortable handles, stylish and sturdy, suitable for hard surfaces like asphalt and concrete. 3. USERFRIENDLY DESIGN: Handpush applicator with two wheels for even and precise marking. The push rod is adjustable. Working with the marking machine doesn't require bending over. You can work standing up, reducing physical strain and improving work efficiency. It's a time and laborsaving tool. 4. VERSATILE APPLICATION: The twowheel line marking applicator can be used on a variety of hard and grassy surfaces, both indoors and outdoors. Suitable for roads, factories, garages, parking lots, driveways, schools, sports fields, and industrial markings.