The 41081113 Wrench; flare nut wrench manufactured by Stahlwille is a chromium plated steel wrench with 11mm and 13mm jaws. It can be used to tighten and loosen a wide range of nut sizes, including flare nuts, round nuts, hex nuts, and square nuts. Its extra-long jaws make it easier to reach and grip harder-to-access bolts and nuts. The carbon steel construction is durable and corrosion-resistant, and the full polish finish ensures the wrench has a long-lasting shine. It is suitable for installation and maintenance of automotive, agricultural, industrial, and domestic equipment.