The 4 Pack High Performance Spark-Plug A7TC, designed for 4-stroke engines, ensures reliable ignition and easy installation on lawn mowers and brush cutters. Made of high-quality materials, this spark plug series boasts a 10mm thread diameter, allowing for swift and steady installation. The A7TC features advanced technology that guarantees efficient combustion, maintaining optimal engine performance and longevity. With a sleek white color, it complements any engine and enhances the aesthetic appeal of your garden tools. Experience the difference that quality spark plugs make and invest in the A7TC for a seamless and smooth-running lawn care routine.