Permanent markers designed for deep holes, tight spaces and hard-to-reach spots. The nibs on Pica deep hole markers can be swivelled to extend their working life. To do this, move the telescopic tip back with pincers. Tear out the nib wick and turn through 180°. Then insert the nib wick again and move the telescopic tip forward SpecificationsNib Colour: Blue Features and BenefitsMarks on almost all kinds of dry surfacesConvenient quiver cap with special clip for perfect one handed handlingPermanent alcohol-based ink, removable from glossy surfaces with alcohol and other usable solventsWorks up to 24 hours uncappedExtended tip made of stainless steelself-adjusting and patentedUp to 3 times more marking capacity by using full 7 mm of the fiber nibs lengthNib can be twisted several times by 180° for extended service life