Scraperfect Medium No-Clog Writing Cap -- Precise Application of Glues, Paints, Lubricants & More FOR PRECISE APPLICATION OF LIQUIDS including: adhesives, paints, resins, stains, glazes, lubricants, masking fluids, and more. Say Good-bye to clogged tips!! Exchange No-Clog Cap for original same size cap. Unscrew Pin Top. Tip is ready for use. Promptly replace Pin Top after use. Insert Pin Top promptly after use to keep the tip clear. Re-Use Cap! Transfer cap when old bottle is empty.  For thorough cleaning, unscrew blue sleeve and twist tip counter clockwise to remove. Store bottles upright, when possible. See description below for a list of products using this cap size