30mm tip (1.2 Inch) empty marker. Refill with Molotow, MTN or JAG brand paints or inks! The new Molotow innovative marker modular system. Simply combine, exchange or upgrade all parts (Heads, Bodies, tips). For example: Change to 15 mm head or 50 mm head – simply screw it on and start to work. There’s no need to buy another complete marker - just customize upgrade single parts.