Staedtler 3187 TB18 Double Ended Permanent Pens, 36-Pieces, Assorted Colors

Features:

• Universal pen for use on almost all surfaces
• Suitable for overhead projection
• Excellent smudge-proof and waterproof qualities on almost all surfaces
• Dries in seconds, therefore ideal for left-handed users
• Permanent, low-odor ink
• Black is lightfast
• PP barrel and cap guarantee long service life
• Dry Safe - can be left uncapped for days without drying up
• Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft
• Superb color brilliancy
• Line width F - fine, approx. 0.6 mm

• Pens Type: Porous-Point Pens
• Writing Supplies Type: Pens & Refills
• Stationery Office Brand: Staedtler