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. Features & Benefits: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 Specifications: Model No VS518 Blade Size(s): 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.1mm Brand: Sealey Nett Weight: 0.06kg