Manufactured from solid forged carbon steel hardened and tempered nickel plated polished to a bright finish used by builders for aligning courses of brickwork by attaching a builders line between them one piece solid forged for extra strength large button head easier to strike and holds the line in place strong sharp point hardened and tempered to prevent bending and last longer ragni logo embossed onto head adds authority taper ground point and edges drives into the wall easier bulbou