The 13/16-Inch T-Handle Spark Plug Socket by Great Neck features an ergonomic T-Handle that allows for more leverage and torque capability. The spark plug socket is flexible to adjust to multiple angles and has a magnet inside for easier removal of the spark plug. Magnet helps prevents loss of spark plug into the engine block. Covered by GreatNeck limited lifetime warranty. GreatNeck has been a hand tool manufacturer since 1919. Our tool brands strive to bring value in design and function. We stand behind our brands and offer an industry-leading lifetime tool promise on workmanship and materials.