Product specification: Sponge size: 12.8 x 7.3 x 3cm Spring size: large: 6.8 x 0.7cm, small: 4.5 x 0.5cm Spark plug length: 5.3cm, metal rod diameter: 6.3mm, wiring wire diameter: 13.5mm Material : stainless steel Color: yellow and silver What you will get: 2 metal springs, 1 wood cellulose fiber sponge and 1 spark plug for Briggs & Stratton 691859 692211. Application: speed control spring Mower used for Classic, Sprint, 450, 500 and 550 engines, for Briggs & Stratton 691859 692211, with good elasticity, not easy to break. Air filter usage instruction: This is a sponge filter specially designed for Briggs and Stratton engine. It is recommended that oil be incorporated into the sponge before use, as this apparently makes the filter more effective at trapping dust particles. Spark Plug Features: Spark Plugs ignition are made of stainless steel, which has the characteristic of good thermal characteristics, tensile strength, heat resistance, electrical conductivity, insulation, high strength sealing and corrosion resistance. Replacement: the spark plug fuel filter kit is easy to install, you can replace it by yourself, simple and quick installation, bring you a different feeling.