- Car spark plug gap tool: easy and convenient to use; helps set precise spark plug gaps without guesswork, supporting reliable ignition and engine performance. - Gapper gapping: delivers a consistent gap every time; the spark plug caliper function provides accurate, repeatable measurements for proper plug installation. - Spark plug: CNC machined material; solid construction for long-term use; designed as a dependable component of car tools for accurate gaps and durable performance. - Car spark plug brake calliper: compact and lightweight; easy to carry and store in a tool bag or workshop kit; suitable for on-site maintenance and routine car tool use. Use scenarios - Routine spark plug maintenance on passenger cars: test and set each plug gap to exact specification before installation to ensure optimal ignition and efficiency. - Mobile repair or service visits: portable and lightweight tool that fits in a small toolbox, enabling precise gap setting at customer locations with minimal equipment. - DIY home garage projects: convenient for hobbyists performing plug replacements or mid-life maintenance, ensuring consistent gaps across multiple plugs for reliable engine start and running.