The Performance Tool W38163 Spark Plug Socket is the perfect addition to your toolbox for automotive and mechanical applications. Featuring recessed edges and socket openings, this socket is designed to reduce fastener rounding, ensuring a tight and secure fit every time. Made with durable chrome vanadium alloy steel construction, it can withstand heavy use and provide long-lasting performance. The polished nickel chrome plated finish not only looks sleek, but it also resists corrosion, preventing rust buildup. With large stamping for quick identification, this socket is easy to locate in a crowded toolbox or workbench. Compatible with a range of spark plug types and vehicle models, the versatile 3/8" drive and 3/4" socket size make this spark plug socket an essential tool for any mechanic.