The Invincible Marine BR53207 Fuel Line Connector features speed prime technology, and comes with spring-loaded double check valves and stainless steel hose clamps. This connector fits 5/16-inch or 3/8-inch fuel lines, and is built rugged-tough for daily, top-notch performance. This alcohol resistant fuel connector has been tested in extreme climates, and resists corrosion and leaks in the most adverse weather conditions. The stainless steel hose clamps are especially designed to acclimatize to moist conditions and rugged applications. Whether you"re outfitting your boat for the first time, or preparing for the upcoming season, this product is an essential accessory for your domestic and boating needs, and is perfect for nautical journeys and mechanical maintenance. Precision and reliability are the marks of quality that this product has proven time and time again, guaranteeing steadfast performance with each use. BR53207 Johnson Evinrude Male 2-prong (400JEC) clip style tank connector, ¼-inch NPT. The Invincible Marine BR53207 Fuel Line Connector comes with a 1-year limited warranty and protects against manufacturing and workmanship defects. Rugged, tough and reliable, Invincible Marine is well-known for their hardworking nautical line. For freshwater and saltwater boating, Invincible Marine designs products for avid fishermen and weekend boaters. Quality, utility and innovation go into every Invincible Marine product giving you more time on the water.