1PK Do it 2-1/2 In. 11 ga Electrogalvanized Roofing Nails (570 Ct. 5 Lb.)

7/16 flat head. 11-gauge diamond point. Wide head aids holding and reduces pull through. For securing roofing asphalt shingles felt to wood substrates or insulation board.; For applying roofing asphalt shingles insulation board and felt-to-wood substratesElectrogalvanized finish also appropriate for use with vinyl siding2-1/2 In. lengthReduced pull through;