The QWORK 14mm & 16mm Magnetic Swivel Spark Plug Socket is a high-quality tool made from Chrome Vanadium Steel with a polished finish. It features a 12 point drive system and a thin wall design for easy access to spark plugs. This socket comes in a size that fits a 0.375 inch fastener and weighs 0.44 pounds, making it a durable and efficient choice for various electrical and industrial applications. With its magnetic rotating feature, this spark plug socket provides added convenience and versatility for professionals and DIY enthusiasts alike.