Wide Jaw Opening: 1-5/8" (41 mm) for 8" (200 mm) adjustable wrench. Greater jaw capacity allows a 55% wider opening than a traditional adjustable wrench, fits a wide range of fastener sizes, and supports larger nuts, bolts, and pipe Heat Treated Cr-V Steel: Drop forged Cr-V, heat-treated, increases hardness and toughness. A black oxide finish on the surface helps to resist rust for better durability Laser Marking With High Precision: The highly accurate scale, in both SAE and Metric, allows for an exact fastener fit. The mirror polish on the head of the wrench makes the surface scale clearer and more convenient to work with Special Jaws and Non-slip Grip: The super-thin and long jaws provide greater access in limited and narrow spaces. Jaw Depth: 1-1/4" (31 mm). Our wide-jaw adjustable spanner features a textured rubber grip handle for superior comfort and control Universal Wrench: Suitable for tube/nut disassembly and assembly of various equipment, cars, and bicycles in the home. Ideal for plumbers, electricians, and maintainers, Weight: 0.7054792384 pounds, Manufacturer: LONGYOU YIYANG IMPORT AND EXPORT CO.,LTD