Specification: Brand new Color: Sliver Material: Metal Fit for: Most of cars can use it. e.g. BMW, Toyota,Citroen etc. Inside of the product is strong, durable. It can be connected to wrench. Special leaf spring design to clip the spark plug Size: Total length 63mm,sleeve size 14mm,thickness 1.5mm,diamater of quartet mouth rim 10mm(3/8”) Package Included: 1x Spark Plug Socket