SPAX® Power Lags Hex Washer Head PowerLags® Screw, HCR® Coating 5 16 In. x 3 In. Brand_Liquid Nails Lasts up to 15X longer 13621032 Lasts up to 15X longer compared to a standard carbide fiber cement blade The PXpro line paint brushes are hand crafted to provide superior results with latex paints SPAX® Hex Washer Head construction fasteners with HCR® coating are intended for wood to wood connections in exterior structural applications when attaching treated lumber components These fasteners are designed with a hex head conventional driver system along with a built in washer for applications requiring additional surface area under the head for superior pull down force