Ergonomic hand-push design eliminates bending for accurate spraying, reducing physical strain and boosting efficiency with lightweight, portable operation. Adjustable stripe width from 2 to 5.9 inches by modifying canister height, enabling straight, dotted, or curved lines with sharp, smooth edges. Durable rust-proof steel frame withstands harsh outdoor conditions for long life, featuring shock-absorbing rubber wheels for smooth performance on uneven surfaces. Simple installation: shake paint, insert bottle upside down, adjust T-tip angle, tighten screw, and start marking immediately (paint not included). Versatile use on asphalt, concrete, and grass surfaces, ideal for parking lots, workshops, sports fields, runways, sidewalks, construction sites, and roads.