Paint-type white-ink permanent marker. This is a paint-type pen that is applied completely white to iron or resin. Since it is an oil-based pigment ink, strong handwriting can be maintained for a long period of time. Marker (oil-based) [color] white [specification] ultra-fine [writing line width] 0.5 mm [individual size/weight] 40 x 12 x 190 mm/18 g [body size/weight] 11 x 13 mm/12 g [writing line width] 0.5 mm [material: shaft] aluminum cap: PA nib holder: POM pen tip: stainless steel.