Birchwood Casey Presto Blue Touch up Paint Pen - for Bluing Gun Number:Single Pen Precision lubricators are convenient to

Precision lubricators are convenient to use and carry

yellow or crack with age

Here is an actual review of this product:

This is for 10 bottles with lids and rubber stoppers

Birchwood Casey Presto Blue Touch up Paint Pen - for Bluing Gun Number:Single Pen Precision lubricators are convenient toBirchwood Casey Presto Blue Touch up Paint Pen for Bluing Gun Presto Gun Blue Pen The Presto Gun Blue Pen quickly and easily penetrates hard steel and gives a durable blue black finish that won't rub off. use like a marking pen for one coat coverage on non stainless steels. Store the pens with the tip down to ensure the fluid does not collect in the bottom. Key Features: Contains a fast drying, lead free paint Fills in deep scratches or worn areas