Pica-Ink red deep-hole marker. Ideal for difficult places. Tip size (1.5mm). Technical specifications: For marking on almost all types of dry surfaces. Immediately water and abrasion resistant. Permanent alcohol-based ink, erasable with alcohol on smooth surfaces. Practical "quiver" cap with special "clip" system for perfect use even with one hand. 3x more marking performance thanks to its patented, adjustable telescopic tip: 7mm "abrasion" capacity of the felt tip, instead of 2mm. LONGLIFE the marker with 7 lives: Tip can be turned 180°, several times, for a "second, third, ... life". How to do it? : Retract the telescopic tube with pliers. Remove the felt tip and turn it 180°. Insert the felt tip again and readjust the telescopic tube. Ideal for use on the following materials Metal Plastic Glass Tiles, ceramics Wood, laminate Stone, concrete Rough wood (dry) Tyres, rubber (dry)