NAILS CASE HARD CUT #10 50-LB. Made in the United States, this product is a common masonry cutting nail cut into metal. Perfect for fastening wood to cinder blocks, mortar joints, brick walls. It can also be used for framing, nailing floors and panels, and carving. Its wedge tip and tapered stem provide strong holding power. In addition, they are heat treated, which guarantees extra resistance.