If you’re about to undertake an important job, always ensure your tools are up for the task. Whether you’re a tradesperson, a DIY-lover or just someone with a few jobs to do, this classic product will not let you down. Tested on more than 1,000 surfaces, it writes clear, crisp text that remains permanent. This pen makes jobs such as labelling photos and CDs or preparing glass and brick for cutting easy. And because this permanent marker pen is reliable under even extreme conditions such as cold, heat and rain, it is ideal for use in the garden, greenhouse or even the freezer.