Mazel electro-galvanized roofing nails with large flat heads and diamond points for secure fastening of shingles, felt, and insulation board to wood substrates.

• 1-1/2" length
• 11 gauge steel
• 50 lb box
• Electro-galvanized finish resists rust
• Large flat head prevents pull-through
• Diamond point for easy driving

Use: Asphalt shingles, roofing felt, and insulating board installation.