Speed Marker

My team purchased a bunch of concrete tubes for a project we are working on. Sadly, almost all of the edges are dinged and dented from shipping. For the project we are working on we need edges that are clean and square.

To make the task easier I designed a simple tool for the task. The Speed Marker holds a pen at a defined distance from the tube edge. The wide edge plate rides along the edge of the tube without falling into the dings. The overall shape makes it easy to grab the tube and roll it as you.