The Line Marker Trolley is specially designed to help you apply Upside-down Spraymarkers either in a straight line or freehand. The trolley / extension arm has a trigger for remote engagement of the valve.
Features
An easy to use and ergonomic design for comfort while marking large areas
Multipurpose - use trolley for straight lines and extension arm for freehand marking
Simple yet robust design
Guide arm for accurate marking along buildings / other structures or for following string lines
Designed specifically for use with Damar Highway Line Marker 600 ml can