This marker has a 1/4" wide chisel tip that makes a 6mm wide mark.
Woodcraft Metallic markers are not recommended for use on chalkboards as they are difficult to remove. Use these as permanent markers on wood projects.For metallic marks on chalkboards try our Metallic Posterman Wet Wipe Markers
.**THE WOODCRAFT METALLIC MARKERS HAVE BEEN DISCONTINUED BY THE MANUFACTURER. Available colors and quantities will become limited.**