1. quality material – This magnetic spark plug wrench set is made of quality carbon steel with a chromeplated surface, hardened and heattreated for hardness, rustproof, corrosionresistant, and wearresistant properties, ensuring a long service life. 2. 360° swivel – The 2piece universal spark plug wrench set (14 mm 16 mm spark plug wrenches) features a 360degree swivel function, providing flexibility for quick removal and installation of spark plugs in tight spaces. 3. Super strong magnetic force – Our magnetic spark plug socket has a powerful magnetic design, securely holding spark plugs in place during installation and removal, eliminating any worry of them falling off. 4. Professional design – The thinwalled spark plug socket has an inner wall thickness of only 1.2 mm and a 12point design, delivering a strong grip for secure insertion into the spark plug. With a length of 98 mm, it protects the spark plug and prevents hand injuries.