Quik Stik® All Purpose Solid Paint Marker, 11 16 in Tip, 6 in L, Red ORS NASCO Self locking on pipes and nuts Won't Self locking on pipes and nuts Won't slip off the workpiece Gripping surface with special hardened teeth (61HRC) Wear resistant and grips any shaped object Thin head fits into tight places Anchor Brand Catalog NO Applications Cleaning Dirt vibrant paint marks dry in 5 to 7 minutes Marks on virtually any surface wet self storing cap keeps the marker clean and fresh between uses Weather resistant and UV resistant paint for long lasting marks Solid paint marker advances and retracts in plastic holder by turning twist up knob