You can write on wet surfaces in rain or rain.
You can write on even in the rain or in the rain, so you wont interrupt your work.
Writing lines are heavy duty ink that will not fade or fade when stepped on or rubbed
Uses a durable wick that is less likely to lose even when writing on lines and concrete surfaces.
For electricians, equipment, plumber sleeves, burial pipes, wet pipes, and concrete surfaces
In addition to the classic black, red, white, and blue, the fluorescent yellow and fluorescent pink are also line-up.
With a square tip of 0.3 x 0.2 inches (8 x 4 mm), you can write in bold or medium types.