Sharpie 32726 Fine Point Retractable Markers, Assorted Color Mugs Great for use on fiberglass

Great for use on fiberglass

Features laminated steel body

Concrete must be 2500 PSI minimum slab with 4" minimum thickness and 6/6 x 10/10 wire mesh or fiber mesh installed

so sink stays clean and dry underneath

and synthetic detergents

Sharpie 32726 Fine Point Retractable Markers, Assorted Color Mugs Great for use on fiberglassHighlights : Same great Sharpie ink, now in a fine point retractable marker that allows easy, one handed operation just click and mark Unique Safety Seal(TM) valve design prevents dry out, and there is no cap to remove or lose Durable fine point tip produces thinner, detailed lines AP certified non toxic Set of 3 Markers includes 1 each of Black, Blue and Red No cap to remove or lose Safety seal design prevents dry out Permanent on most hard to mark