The marker is also suitable for various industrial purposes, including manufacturing, quality control, security and theft prevention and construction.The Pen-Touch markers are available in three different nib sizes: extra fine (0.7 mm), fine (1 mm) and medium (2 mm). The Pen-Touch marker assortment contain various vibrant colours, including metallic, UV and fluorescent colours to add special effects to your work. The UV ink makes clear, invisible marks that illuminate bright blue when viewed with an ultraviolet or black light.
