System Three 1430K40 Silvertip EZ-Fillet Kit, 1.5 pints, Brown Simple two component system; requires no additional modification with fillers or thickeners Identical consistency every time Smooth non-sagging formula spreads easily and stays put Superior strength with flexibility over a broad surface, formulated specifically for filleting applications 100% waterproof; for use above or below the waterline. Compatible with most marine primers and topcoats