Product Description Williams Supercombo Combination wrenches features both high polish chrome and satin chrome finishes black wrenches. They may be used on all common hex (6 point) fasteners with considerable advantage over conventional box end wrenches to increase both hand tool flexibilty and economy. The box and open end openings are identical on this made in the U.S.A product. The handle is a longer length that is sized for optimum comfort and balance that provides increased leverage. Manfacutured from speical alloy steel, these wrenches are precision forged and heat treated for optimum strength and durability. For over 140 years, Williams has manufactured high quality industrial tools for professionals like you.  Every day we purposefully choose our next product innovation by examining and understanding your needs, because we know you value your work and pride yourself in being the best. We develop tools strong enough to endure extreme industrial conditions.  Leveraging our heritage of making great tools, with the right materials, and precise engineering specifications. Since 1882, Williams had made products designed to be put to work with confidence. From the Manufacturer Snap-on Industrial Brand JH Williams 2 1/4-Inch super torque combination wrench has a super torque box opening design that allows application of higher torque without rounding or deforming hex fastener points. No contact is made at the corners. Instead, wrenching forces are placed on the flat surfaces behind the points. May be used on all common hex, 12 point, fasteners with considerable advantage over conventional box end wrenches to increase both hand tool flexibility and economy. The box and open end openings are identical. It has a black industrial finish.