The spark plug wrench is used in a wide range of applications for auto maintenance, automotive engine spark repair, and machinery repair. The ergonomic T-shape of the sockets candle provides the user with a comfortable working angle for hard-to-reach places. You'll need a handy tool like this. A nice finish with curved inside corners for a better contact interface and to prevent slipping during use. The T-handle spark plug socket has a polished finish that resists wear and rust, highlighting the noble quality of the tool. If you need a spark plug socket tool, this is the perfect choice! This spark plug socket wrench set is made of high quality chrome vanadium steel, hardened thermally, which guarantees maximum strength and durability for long-term use.