[Durable Spark Plug Socket] - Quenched and heat-treated chrome vanadium steel construction and polished chrome finish.. [Convenience] - Built-in Shrapnel to securely hold spark plug.. [Secure/Firm] - Spring-loaded ball to retain sockets and prevent them from dropping.. [Hex Shank Socket Adapter] - Attach to any powered / cordless drill chuck or impact driver to turn it into a high-speed nut driver.. [Universal] - Deep well thin wall design is suitable for most cars, trucks, lawn mowers, motorcycles and many other applications..
