New Multipurpose Adjustable Spanner wrench

Spanners come in all shapes and sizes, many being developed to deal with a specific job

By far the most important consideration when using a spanner is to ensure that it fits the nut perfectly. Too loose, and it will round the comers of the nut - and slip, often damaging the nut. Spanner and your hand.

When purchasing spanners, select good quality tools. The best types are forged from carbon steel or chrome vanadium, if not abused, these will last a lifetime

The obvious advantage of an adjustable spanner is that it will cope with a whole range of nut sizes, within the capacity of the jaws.

When in use, it is important to adjust the jaws so that the spanner is a good fit on the nut.

Use the spanner so the main strain is taken by the solid section of the head rather then the adjustable part.

In Adjustable Spanners, a worm screw is located close to the opening jaw, which has a rack engaged with the screw, making the spanner very easy to adjust with the finger and thumb of the holding hand.