Westward, Industrial strength and value. From industrial hand tools to tool storage, Westward products are engineered to meet the demands of professionals . All Westward tools are built to meet or exceed the high-end industry standards, with Westward hand tools you can count on the best combination of quality and value. WESTWARD, Combination Wrench These combination wrenches have a 12-pt. box end with additional grooves that make it easier to connect with the head of the fastener and connect at more angles for better accessibility compared to a 6-pt. The opposite side has an open end design that allows top and side access to the fastener compared to the box end that can only access a fastener from the top. The wrenches have the same metric size on each end for use on one specific size fastener Material / Alloy Steel Finish / Chrome Head Size / 20 mm Overall Length / 10 5/8 in Head Offset Angle / 15 Degrees Opening Angle (Deg.) / 15 Degrees Head Type / Offset Head Thickness / 7/16 in Measurement Type / Metric Opening Type / Rounded Box End Type / 12-Point Box End Number of Points / 12 Handle Color / Silver Corrosion Resistant / Yes Wrench Length Style / Standard Standards / ANSI Weight / 0.748 lb Grip Style / Plain Handle Type / One Piece Wrench Shape / Straight