The Standard MarXman can mark clearly through depths of 45 mm and under.
MarXman devices can be used to mark a clear reference directly onto any surface. To help get the most out of your MarXman device we have detailed the correct instructions for use below.
Contains
1 Standard MarXman in a blister pack

Marks clearly on all surfaces, even pebbledash.
No more broken pencils or dusty felt tips.
Use at an angle, even upside down.
Marks through fittings at various depths.
Accurately shows you where to drill.
250 sprays in every can.