This spanners is ergonomically designed to provide maximum support. It provides maximum impact of user force applied to nuts and bolts of various sizes. These dual headed ring spanners can be used for sharpening various machines, automobiles and structures.

The spanner has anti-slip jaws, which help the user to fasten or loosen nuts and bolts of various sizes without slipping. They have shallow heads which enables the user to reach any bolt easily.

Spanners provide comfortable hand support and excellent grip for a quick and efficient fastening mechanism. The metal bar is long enough to maximize torque. It helps in opening the stuck nuts easily.