Nib: Acrylic, bullet-shaped
Barrel: Aluminium material for durability 
Line width: 0.8 - 1.2 mm FINE
Available in 15 different colours: WHITE, YELLOW, PINK, RED, ORANGE, LIGHT GREEN, GREEN, LIGHT BLUE, BLUE, PURPLE, GRAY, SILVER, GOLD, BROWN, BLACK - wide range of colours to choose from!
Able to mark on any surfaces - e.g. metals, plastic, glass, fabric - does not lose its vivid colour!
Most trusted and popular marker used in almost every country!
Extensively used by professionals and industrial manufacturers
Safe for use - free from sulfur, silicon, etc. 
Waterproof for longlasting effect
Ink does not run when surface is heated
Ball tip