The NGK 15270136 BPMR7A spark plug is a high-quality, genuine OEM component designed for reliable ignition in various small engines, including those found in chainsaws, trimmers, and blowers. This resistor-type spark plug features a 10mm thread diameter, 9.5mm thread reach, and a 16mm hex size, ensuring a precise fit. With a heat range of 7 and an electrode gap of 0.7mm, it provides consistent performance and durability across a wide range of demanding applications.