Brightside Marine Poly....flows out smooth as glass when brushed on and very hard.
http://www.jamestowndistributors.com/userportal/product.do?part=7028&engine=adwords&keyword=product_ad&gclid=CjwKEAjw_oK4BRDym-SDq-aczicSJAC7UVRttX7LVrFi48xsT41bZYfbe0tmolacbvgBrsgIi2atxRoCSPDw_wcB