Staedtler Lumocolor Permanent Pen Medium 0.8mm Line Black Pack 10Staedtler Lumocolor Permanent Pen Medium 0.8mm Line Black Pack 10Universal pen for use on almost all surfacesSuitable for overhead projectionAlso suitable for use on CDs/DVDsExcellent smudge-proof and waterproof qualities on almost all surfacesDries in seconds, therefore ideal for left-handed usersPermanent, low-odour inkWeatherproof colour blackStand-up STAEDTLER boxPP barrel and cap guarantee long service lifeDRY SAFE - can be left uncapped for days without drying up (Test ISO 554)Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraftXylene and toluene-free inkSuperb colour brilliancy Staedtler Lumocolor Black Permanent Pen 1.0mm Line Pack 10's Note: Image is for illustrative purposes only and may differ from the actual product.