Additional Details ------------------------------ Bullet point: Designed to fasten steel roofing to wood purlins used in post frame construction plywood or osb used in residential construction Product description: Designed to fasten steel roofing to wood purlins used in post frame construction plywood or OSB used in residential construction. Produced with coating with enhanced corrosion resistance over painted heads. 2.5 mils of powder with chromate sealer. HWH with V-neck design adds strength prevents heads from popping. EPDM rubber is vulcanized to a steel washer to form an excellent seal even when driven at an angle. Designed to fasten steel roofing to wood purlins used in post frame construction plywood or osb used in residential construction Produced with coating with enhanced corrosion resistance over painted heads 2.5 mils of powder with chromate sealer HWH with V-neck design adds strength prevents heads from popping EPDM rubber is vulcanized to a steel washer to form an excellent seal even when driven at an angle Threads transition from fine to coarse to generate superior holding strength in various wood substrates Micro-bit point reduces metal shavings that can embed themselves in the rubber washer Starts fast finishes straight Pro-stick bit included. Specifications 1 lb Size: 10 x 1.5" Finish: Polar/Bone/Regal/Oyster White.