The Hopkins FloTool Gas Gauge Funnel is perfect for lawn mowers and small engines. Floating indicator signals when the gas tank is full, preventing dangerous spills and overfills. Different notches in the funnel base allow it to fit in any sized opening. This wide mouth funnel also features a no mess splash guard to keep the spills and messes to a minimum. Has a peg hole for an easy hanging option to help with storage. Perfect for any person that owns gas powered tools. Simplifies DIY fluid handling tasks for your vehicles.