This super-useful multi-award-winning Marxman Pen marks drilling positions through fixing holes from 45-100mm deep, and from 3-13mm in diameter. As seen on Dragon's Den, this innovative marker tool works on most surfaces, from tiles and breeze-blocks to granite, plaster and cement. You can then drill your holes with confidence and precision. The Marxman Pen is fluorescent so it can be seen in low light and it will easily rub off after use. Quick and easy to use, it's the ideal marking tool for woodwork, kitchen shelves, bathroom cabinets and elsewhere around the home. Features and Benefits Saves time - With a simple push, it marks your surface in an instant and will easily rub off. No more searching around for pens or pencils that fit the hole! Works on almost any surface - This handy marking tool works on tiles, pebble dash, plaster board, oily metals - you name it. Specifications Award-winning drill marker Marks positions for shelves, cabinets, hinges, drainpipes and electrical tubing Colour: Black Dimensions: H17.3 x W9.4 x D4cm Weight: 50g