The alm double end lawnmower spark plug box spanner is a specialised tool designed for the efficient removal and installation of lawnmower spark plugs. Featuring dual sizing at 19mm and 21mm, this double ended spanner provides versatility for working with different spark plug types commonly found in petrol lawnmowers and garden machinery. The box spanner design ensures a secure fit around the spark plug, reducing the risk of damage to the plug's hexagonal surfaces during removal or installation. This makes maintenance tasks quicker and more straightforward, whether you're carrying out routine servicing or troubleshooting ignition issues on lawnmowers. Ideal for garden maintenance professionals, groundskeepers, and homeowners who maintain their own lawn equipment, this spanner is a practical addition to any toolkit. The compact design allows for easy access to spark plugs in confined engine compartments where standard spanners may not fit. Features and benefits bull double ended design with 19mm and 21mm sizing for versatility bull box spanner configuration provides secure grip on spark plug hexagons bull compact tool ideal for accessing spark plugs in tight engine spaces specifications spare type spark plug spanner size 19 21mm