Main Color: Black; Material: Carbon Steel Total Length: 40mm / 1.5" Shaft Diameter: 3.1mm / 0.13" Weight: 120g; Head Diameter(Approx.): 4.1mm / 0.15" Package Content: Cement Nail; Product Name: 50(+/-1%)pcs x Cement Nail. ( Size Name:1 Inch There are great demand for Cement Nails in reinforcing the wooden planks that are fabricated during the initial construction of houses and building. Applications include various lap and panel siding materials made of fiber-cement composites. )High quality carbon steel nails: Nails metal Steel nails made of high quality carbon steel, rust resistant and wear resistant, not easy to bend and strong penetration. Huge demand: Carbon steel nail cement nails are generally suitable for general construction applications, in the initial construction process of houses and buildings, to strengthen the wood is a great help. Note: Cement nails are not good for hanging heavy objects on concrete walls as this can be very unstable. We provide you with high quality and good service. If you are not satisfied, please return the carbon steel nails to Amazon within 30 days for a full refund