Vents137 and many more

The book has 32 subways from 8 different towns worldwide

Highly pigmented with strong coverage

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Works on pretty much any surface and is perfect both outdoors and indoors

on the run otr 006 otr 007 steelball tip Caster Vents137 and many moreReplacement 5mm steelball tip for OTR squeeze markers. Built tough with a metal ball construction that keeps working on pretty much any surface you're painting. These tips don't quit when you're running thick paint through them latex, oil paint, even wallpaper paste goes through clean. Swaps out easy with the plug in system. Fits the OTR. 006S Steelball Empty Squeeze Marker and OTR. 007 Soultip Empty Squeeze Marker 6mm. Writers use these for both