Slogging spanner has a thick end that is designed to be used with a hammer to tighten fasteners, such as nuts and bolts to a precise torque. This spanners are also ideal to untighten fasteners which are stuck, as they pass high levels of force and vibration through to the nut or bolt when hit with a hammer. Add that extra grip to the objects of choice, or loosen up for an easy removal with these durable and reliable spanners. A perfect addition to your mechanics kit, these must-have spanners from top brands are an absolute delight. The application of the slogging ring spanner can be found in mining, piping, ship maintenance, etc.