Manomark Pen Black, Each

Details:

Writes on all plastic, glass, metal, wool, paper and cloth, including "PTFE", fluoropolymer resins. With its precision seal valve the pens life is preserved and as well it allows for a smooth flow of ink even if it's left uncapped. Once dry, the solvent base ink is temperature resistant from 0 to 155 degree C (32-310 degree F). Markings are insoluble in water or hydrocarbons, resist many solvents, and are easily removed with alcohol.