Specially designed for heavy industrial use, these Straight Handle Striking Face Box Wrenches feature a 12-point opening on one end and a striking face anvil on the other. The thick end allows hammer use to easily tighten nuts, making it ideal for setting nuts tight or loosening frozen ones. Crafted from drop-forged steel with a durable black industrial finish, these wrenches deliver reliable performance and durability. Proudly made in the USA to meet demanding professional standards.