Sealey VS518 Spark Plug Feeler Gauge Metric with Electrode Adjuster 75mm

• Specially designed for gapping spark plugs and suitable for both traditional copper and precious metal plugs.
• Features an electrode adjuster allowing the electrode to be adjusted without levering against the core which can be easily damaged.
• Blade dimensions 75 x 13mm.
• Lifetime guarantee*.
• Model No. VS518