The Marxman Standard Marking tool is a unique tool, enabling you to make a clear reference mark, quickly and easily. It works on just about any surface including tiles, pebbledash, plasterboard, wood, block-work, cement and even oily metal. Simply push Marxman into a fixing hole and it delivers a burst of bright, fluorescent green pigment, onto the mounting surface. The pigment is highly visible, solvent-free and non-permanent and clearly shows you exactly where you need to drill. The ease and accuracy save you time and frustration every time. It is particularly useful if fixing at height. You can use it one-handed, whilst holding an item in place with your free hand. It marks through-thickness up to 45mm and each tool dispenses 250 doses.