Mess Stopper Hydraulic Oil Service Plugs, 4 Medium, 10 Small Sizes, Round

Simply push and twist to insert. For unpressurized systems only. No need to keep or search for the right size plug or cap - Mess Stopper fits a wide range of sizes. Operating temperature: -10⁰F to 200⁰F or -23⁰C to 93⁰C. Prevents oil leaks and waste. Keeps equipment and oil clean during servicing. High visibility "Hi-Viz" green/yellow color helps to remind you of the unconnected hoses, ports, and fittings during reassembly. Fits hoses, tubing, pipes, ports, and many types of fittings including JIC 37⁰ flare, 45⁰ flare, push-on, and SAE O-ring. May be cut to desired length with a utility knife or scissors. For industrial, commercial, and DIY use. This service plug kit includes 4 medium and 10 small size plugs. Small size fits hole size range: 3/64” to 1/2” or 1mm to 13mm in diameter. Medium size fits hole size range: 5/16” to 1” or 8mm to 26mm in diameter. Large size fits hole size range: 1/2” to 1-1/2” or 12mm to 38mm in diameter. Includes a slider zip bag to keep your Mess Stopper clean during storage. Mess Stopper is made of oil-resistant NBR rubber and silicone-free. It is resistant to most fluids such as conventional and synthetic lubricating and hydraulic oils, transmission fluids, pure gasoline, diesel fuel, ethylene glycol coolants, and water. It has short-term resistance to ethanol blended fuel and brake fluids. To ensure compatibility, always test the Mess Stopper for fluid resistance by immersing it in the fluid and observing for degradation. U.S. Patent D941,882. Mess Stopper is a U.S. registered trademark of Vibrant Yard Company LLC.