1、Magnet Suction Design: This universal spark plug socket is designed with magnet suction, which makes it more convenient to pick up and place the spark plugs, and effectively improves the working efficiency. 2、Excellent CrV Steel Material: This magnet swivel spark plug socket is made of excellent CrV steel material, which has good hardness and toughness, making the it more endurable. 3、Multifunctional: This 3/8in magnet swivel spark plug socket is multifunctional, which helps you reach those difficult and tricky areas with ease and provides greater flexibility. 4、Overall Anti Rust Treatment: This spark plug socket removal tool is treated with an all round anti rust treatment to give it a long lasting service life, even in wet environments. 5、Compact And Lightweight: This magnet spark plug socket is small in size and light in weight, which makes it very convenient to carry and use, and very easy to install and replace.