The spanner is used in turning rotary fasteners like nuts and bolts.
12" ring & flat spanner
The spanner is a hand-held tool used to provide grip and tighten or loosen fasteners. It gives a mechanical advantage in applying torque to turn objects. The tool is used in turning rotary fasteners like nuts and bolts.The flat spanners are made of drop forged steel, strong and durable and does not bend or scar easily. Both ends are flat.