Durable and flexible, the Stake Chaser Whisker is a unique marking device for many types of surface applications. It is great for highway and road construction, grade stakes, hubs, reference points, benchmarks, center lines, utility line path, forestry, agriculture, exploration and seismographic applications. This marking tool gives the maximum visibility and can endure multiple passes of a grader blade. On top of this, it is APWA color-coded and can be easily hammered into a wooden stake