Self-Adjusting Design: The special jaws allow the wrench to rotate backward and reposition itself 0.28-0.6Inch(7-15mm) with self locking head design, operated with one hand and has the convenience of use, outperforming other wrenches. You don't have to keep removing and replacing the right size wrench. This wrench has a tight bite and can be used to extract bolts and screws, loosen and tighten hard-to-reach pipes and fittings. Premium Texture: The self adjusting spanner is from premium high carbon steel, heat treated for high hardness. The opening is large and has six adjustable positions, thickened, quenched and hardness up to HRC60, non slip, sturdy and robust, black to avoid rust, can be used frequently. Comfortable Handle: The handle of the plumber's spanner is constructed of , with ergonomic design, which allows the user to fix the handle in the right position, keep the wrist normal, reduce pressure, improve efficiency, operate with less effort, and with non slip and sufficient torque. Non Slip Teeth: The spanner is designed with three sides of teeth, which have a strong hex head, spline head, star and square head nuts, bolts and screws, and even fasteners, pipes and tubes of different sizes, helping to improve the working efficiency when tightening and unscrewing related objects Wide Range of Applications: Wide jaw spanners are suitable for a wide range of applications, including cars, tractors, oil filters, glue fittings, shower heads, filters, corkscrews, PVC fittings, bottles, taps, water filters, sinks and many other items Colour:As Shown Material:Chrome vanadium steel Package Contents: 2 * Adjustable Pipe Wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.