- Material and durability: The spark plug socket sleeve is made of durable chrome vanadium steel, offering wear resistance, corrosion resistance, high hardness, and a long service life. It resists rust and damage in demanding use. - Function and compatibility: Provides a secure grip when checking or replacing spark plugs and ensures optimal control while working on the vehicle. Compatible with ratchet wrenches, curved rods, connecting rods, and gimbal joints. - Ease of use: Simple operation with no complex steps required. Clamps the spark plug securely, is easy to remove, and resists slipping. Suitable for both DIY users and professional workshops. - Size and clear markings: Total wrench length is 63 mm. Inner diameters available in 12 mm, 14 mm, and 16 mm. Clear size scale on the surface allows quick, accurate size selection. - Practical use scenarios: - Home DIY: Regular spark plug inspections and replacements on passenger cars in a home garage. - Auto repair shop: Efficient spark plug service in a busy workshop, with reliable grip and control. - Small engines and field work: Spark plug maintenance for lawn equipment, generators, or other small engines in tight spaces.