SELF-LOCKING DESIGN: Make use of the self-locking feature. which is simple to operate with one hand and has an integrated automatic locking spring to increase efficiency. SUPERIOR GRIP: The double-toothed. forged jaws can firmly hold pipes or nuts. They are easy to use. non-slip. and quick to adjust. saving you time and effort. Compatibility: Clamping ranges for six-inch wrenches are 7–15 mm. eight-inch wrenches are 9–25 mm. ten-inch wrenches are 15–35 mm. and twelve-inch wrenches are 19–43 mm. Common uses include pipes. screws. nuts. and more. STRONG CONSTRUCTION: The body of the vanadium alloy steel structure is quenched and forged. with a maximum hardness of HRC 60. It is long-lasting and robust. MULTIFUNCTION HANDLE: Ergonomic handle keeps the user's wrist in a comfortable position to reduce strain. The hardened tail made of carbon steel can be used for prying or chiseling. good assistant for home travel.Specification: Material: Vanadium Alloy Steel Length: 6 inches: 150 mm; 8 inches: 200 mm; 10 inches: 286 mm; 12 inches: 300 mm Weight: 6 inches: 85 g; 8 inches: 214 g; 10 inches: 286 g; 12 inches: 549 g Clamping Range: 6 inches: 7-15 mm; 8 inches: 9-25 mm; 10 inches: 15-35 mm; 12 inches: 19-43 mmPACKAGE INCLUDES: 1Pc * Multifunctional Self Locking Wrench