Spanners are widely used for tightening and loosening nuts and bolts. However, collecting different sizes of spanners will weigh down your tool box and take up a lot of space. Avoid all the confusion and include this Hillgrove Adjustable Wrench Spanner in your tool collection. Loosen or tighten different sizes of nuts and bolts with this adjustable spanner. This adjustable spanner is forged from high grade carbon steel and heat treated to ensure durability. The black-phosphate finish on this single-sided adjustable spanner reduces corrosion. The long handle lets you use the tool in a more effective manner.