Seymour 620-1558 Toolmaker's Blue Layout Ink A smooth, cobalt blue coating that enables tool and die makers to scribe accurately without glare Dries fast and will not rub off Non-corrosive, resists heat, and eliminates the need for brushes and daubers Can be easily and quickly removed with MRO Tool Crib Layout Ink Remover, No.620-1559 A professional grade formulation designed to withstand the harshest conditions