The Spark Plug and Glow Plug Wrench Set (11pc) is a specialized toolset designed for handling spark plugs and glow plugs in automotive and diesel engine maintenance. It includes a variety of socket sizes and extensions to cater to different types of plugs and sensors, making it an essential tool for mechanics and DIY enthusiasts working on engines.Key Features: 11-Piece Set: Provides all the necessary tools for removing and installing spark plugs and glow plugs, with both standard and thin wall options for various plug types. Versatile Sizing: The set includes sockets for common spark plug and glow plug sizes, as well as an extension and a joint to make working in tight spaces easier. Durable and Reliable: Designed to withstand the high torque needed to handle spark and glow plugs without damaging the plugs or the engine. Specifications:Spark Plug Sockets: 4 Spark Plug Sockets: 14mm: For standard spark plugs. 16mm: Two sockets in this size for standard spark plugs. 16mm (Thin Wall): Specifically designed for tight spaces and delicate spark plugs. 21mm: For larger spark plugs commonly found in larger engines. Glow Plug Sockets: 3 Glow Plug Sockets: 8mm: For smaller glow plugs typically found in compact diesel engines. 10mm: A common size for many diesel engine glow plugs. 12mm: Used for larger glow plugs in some diesel engine applications. Sensor Plug: 1 x 22mm Sensor Plug: This size is typically used for various sensors in automotive and diesel engines, including oxygen sensors.Extension & Joint: 2 Extensions: 75mm Extension: Ideal for extending the reach of your sockets in tighter spaces. 250mm Extension: Provides even greater reach for deep-set plugs and hard-to-reach areas. 1 Universal Joint: This allows for better flexibility when working at angles, making it easier to remove and install plugs in awkward positions.