It is widely used in construction, woodworking, cement wall, gypsum board, etc. Material: Steel nails are made of high-quality carbon steel, not easy to bend, and strong penetration. There is a huge demand. During the initial construction of houses and buildings, there is a great demand for iron nails to reinforce wooden boards. Specification: Length: 30mm / 1.18 inches Package includes: 80 cement nails