Maze 4d x 1-1/2 In. Hardened Steel Masonry Nails, 120-Count are expertly crafted for a variety of masonry applications, making them i for securely attaching wooden items to cinder block walls and fresh concrete surfaces. These nails feature a blunt point and a tapered shank, designed to reduce the risk of spalling or chipping during penetration while providing superior resistance to pull-out forces d to traditional wire masonry nails. For results, a penetration depth of 3/4" is . When using these nails, it’s important to wear safety glasses as driving them into hard surfaces can produce flying debris. Durable and reliable, these hardened steel masonry nails are an essential tool for any masonry-related project. Model Number: CMH4112