Pica-Ink Marker for Deep Holes - Ideal for spots hard to reach Marks on almost all kinds of dry surfaces Convenient quiver cap with special clip for perfect one handed handling Permanent alcohol-based ink , removable from glossy surfaces with alcohol and other usable solvents Instantly water and abrasion resistant Extended tip made of stainless steel self-adjusting and patented: up to 3 times more marking capacity by using full 7 mm of the fiber nibs length of abrasion, instead of 2 mm NEW: Extra strong clip! New quiver cap with reinforced clip for strong and permanent fixation on the trouser pocket: the requirement for perfect one-handed handling. Nib can be twisted several times by 180 - for a "second, third, ... life" Move the telescopic tip back with pincers Tear out the nib wick and turn through 180 Insert the nib wick again and move the telescopic tip forward