The NewZC 4 Pieces L7T Spark Plug is designed to replace the original, worn out or missing spark plug in your 2-stroke engine. This spark plug set is specifically made for various garden machinery, brush cutters, lawnmowers, grass hedge strimmers, rotavators and chain saws. The NewZC Spark Plugs are known for their quality, durability and reliability. They are universal fit and are easy to install. The spark plugs are non-spark type and include 4 pieces - 1 regular spark plug, 1 common ground, 1 piston ring adapter and 1 compression ring adapter. These spark plugs are non-spark type, which means they have a reduced gap compared to traditional spark plugs. This results in a cleaner flame, reduced emissions and better engine performance. NewZC Spark Plugs are made with high-quality materials and undergo rigorous testing to ensure their quality and durability. They are designed to last, providing years of reliable service with minimal maintenance. So, if you're looking for a high-quality replacement spark plug for your 2-stroke engine, the NewZC 4 Pieces L7T Spark Plug is the perfect choice.