Developed in Japan and first sold in 1953. Oil based classic style marking pen. Fast drying and water resistant. Features a glass body and 1mm x 5mm x 8mm felt tip chisel nib. Works well on a variety of surfaces including: glass, paper, metal, plastic, leather, wood, ceramic and even ice! Winner of 2008 Good Design Japan Award. Refillable and replaceable nib. For professional use. Keep out of reach from children.