Spark plug gauge in flat design with beveled opening for adjusting the electrode clearance without damaging the electrode.
The measurement scale for determining distance of electrodes is located along the outer edge. The measuring range is between 0.5-2.55 mm / 0.02 0.1 inch.
• Massive steel alloy.
• Range 0.5-2.55 mm / 0.02 0.1 inch