Features 1、[CRV Steel Material] This 16mm spark plug socket wrench is made of heat treated CR V steel, with high strength, ensuring durability. 2、[Anti Rusty Finish] The socket wrench is polished and cr plated, helping prevent rusty and erosion, ensuring lasting performance. 3、[Extended Handle] The spark plug socket with extended rod allows for reaching deeper areas, making spark plug removal and installation easier. 4、[Easy to Use] This spark plug socket tool is designed for effortless spark plug disassembly and assembly, eliminating the need for tightening or adjusting. 5、[Versatile Application] Ideal for tightening or loosening hex fasteners and quick installation or removal, suitable for daily maintenance of buildings, furniture, bikes, cars, and more. Specification Item Type: Spark Plug Socket Wrench Material: CRV Steel Specification: Approx. 16mm / 0.63in Total Length: Approx. 63mm / 2.48in Interface Size: Approx. 10mm / 0.39in (3/8 inch) Outer Diameter: Approx. 20mm / 0.79in Socket Wall Thickness: Approx. 1.7mm / 0.07in Package List 1 x Socket 1 x Extension Rod 1 x Wrench