... for map marking, memo binding, art work etc.3. super sharp steel shank insert hard board easily ... and will not bend4. not only black color, more map push pin hot ... :• blue, red, black, green, orange, yellow map push pin, just let me which color you need ... box, then 50boxes in a carton.Size Choices for Map Push Pin Head sizeColorPackage4mmwhite, black, red, yellow, green ...