Designed to satisfy the basic requirements for performance and detectability by metal and x-ray monitoring systems used in the food industry. Produced with food contrast blue plastic shell, andan end cap that matches the ink color. Choose red, blue, green, or black ink in a standard cartridge. Ridges at the point of grip to make pen easier to hold firmly in wet and greasy work environments or with gloved hands. Includes pocket clip. 50/box.