Durable marker tip for writing on concrete, OSB and rough surfaces
Built-in hard hat storage clip
Black, Red, Blue and Green in color
Inkzall, 4 Pack, Fine Point, Colored Marker, Feature ClogResistant Tips & Ability To Write Through Dusty, Wet & Oily Surfaces,Durable Marker Tips Are Designed For Writing On Rough Surfaces Such As OSB,Cinderblock & Concrete, Ink Dries Quickly To.