¤ýLess viscosity change depending on temperatures.¤ýAlmost no quality change despite long term storage.¤ýSmooth down flowing with ink consuming. no residue.¤ýShowing strong impect resistant.¤ýVery economic use of small quantity injection into the refill¤ýApplicable to 1. tip size 0.38~1.0mm 2. Ink color Dye type inks, basic colors, fluorescent KDG-GSL ¢Ã VISCOSITY : 15.000 cps¢Ã SPECIAL GRAVITY : 0.97¢Ã COLOR : Semi-transparent white/Brown¢Ã APPLICABLE REFILL TUBE : 3.0mm