Total 1/2" Spark Plug Socket 21mm

• 1/2 inch drive spark plug socket, 21mm size. • Constructed from durable 50BV30 steel for strength. • Heat-treated for enhanced hardness and longevity. • Features a chrome-plated finish for corrosion resistance. • Designed for use with standard 1/2" drive ratchets and extensions. • Packed on a plastic hanger for convenient storage and display. • Suitable for removing and installing spark plugs in various vehicle engines.