1.7 for Omas Blue-Black, Omas Royal Blue, Visconti, Lapis Blue; 2.2 for Montblanc Blue-Black, Montblanc Bordeaux, Pelikan Blue-Black, Viconti Turquoise; 2.7 for Pelikan 4001 Blue, Visconti Permanent Blue-Black, Pelikan 4001 Turquoise, Quink Washable Blue, Waterman Purple; 3.0 for Montblanc Emerald Green, Quink Permanent Black, Waterman Blue-Black, Waterman Blue; 4.0 for Sheaffer Brown, Emerald Green, Peacock Blue; 6.3 for Parker Penman Emerald; 6.5 for Omas Sepia; 6.6 for Parker Penman Ebony; 6.8 for Herbin Green, Omas Vespucci Red, Parker Penman Mocha, Parker Penman Sapphire; 7.0 for Waterman Havana 7.2 for Omas Permanent Black; 7.5 for Parker Penman Ruby; Pelikan Brilliant Green; 7.8 for Visconti Black 7.9 for Rotring black, Waterman red 8.2 for Pelikan brilliant red, turquoise, violet 9.0 for Sheaffer jet black