Spark plug gap tester - Material: carbon steel. Strong and durable for repeated use. - Purpose: enables accurate measurement of spark plug gaps to support proper ignition performance. - Benefit: helps ensure correct gap settings, reducing misfires and engine trouble during maintenance. Spark plug - Material: carbon steel. Robust design for general testing and maintenance tasks. - Purpose: part of the gap testing and measurement set, used in conjunction with the gauge tools. - Benefit: provides a reliable component for routine spark plug maintenance and verification. Wire plug gaps tool - Design: simple structure and scientific design; easy to operate. - Purpose: provides an easier measuring method for spark plug gaps. - Benefit: streamlined workflow for quick and accurate gap measurements. Spark plug feeler gauge - Material: carbon steel; flexible and durable. - Purpose: easy to use for setting spark plug gaps. - Benefit: precise gap adjustments with durable, long-lasting tools. Use scenarios - Automotive maintenance and tune-ups: check and set spark plug gaps during engine service to improve starting reliability and combustion efficiency. - Small engine repair: lawnmowers, generators, motorcycles, and other small engines require precise gap settings for optimal performance. - DIY workshop and field testing: convenient tools for quick gap checks and calibration across multiple engines or parts.