Spanner has two open ends with sizes of 20mm and 22mm. This allows for compatibility with nuts and bolts of corresponding sizes, providing a precise fit for fastening and loosening tasks., Spanner features two open ends, allowing for easy access to nuts and bolts from both sides., Taparia 20 x 22 Double Open End Spanner is a versatile tool suitable for various applications; can be used in automotive repairs, industrial maintenance, plumbing, and many other tasks.