X-FILL is a specially formulated filler designed for use with MXBON premium glues. Instead of a powder, X-FILL consists of tiny metal spheres. This new compound means a stronger end result, easier cleanup, and for the first time ever, a filler that will work with our 424 gel formula. POLY-METALI Filler made out of composite and metal. Structural Strong
Easy to sand or tap. Instant Set Time.