The Du-Bro DUB837 Standard Clunk is a 7.5g weighted fuel pickup clunk designed to keep the fuel line submerged at the bottom of the fuel tank during all flight attitudes. Compatible with standard fuel tubing, it ensures consistent fuel delivery to the engine whether flying level, inverted, or in aggressive maneuvers. Key Features Weighted 7.5g clunk keeps fuel pickup at tank bottom in all orientations Designed for use with standard fuel line tubing Ensures consistent fuel delivery during level, inverted, and aerobatic flight Simple, reliable design for gas and glow-powered RC aircraft Du-Bro quality construction for long-lasting performance Compatibility Compatible with standard RC fuel tanks and fuel tubing Suitable for gas and glow-powered model airplanes and helicopters Specifications SKU DUB837 Weight 7.5g Type Standard Clunk / Fuel Pickup Material Weighted plastic