€¢ Embossed hard-chrome blade is coated to resist rust €¢ Built-in scriber for surface marking €¢ Easy-to-read vial €¢ Black die-cast metal handle for durability >> The 12inch combination square is durable and accurate. Its blade is made of hard chrome; which is coated to resist rust for long life. With built-in scriber for surface marking; easy-to-read vial; and die-cast metal handle; this tool allows for efficient measuring and marking. Embossed hard-chrome blade is coated to resist rust Built-in scriber for surface marking Easy-to-read vial Black die-cast metal handle for durability."