YaeTek 3/4" Male x 3/4" Female Multi-Plane Fuel Swivel, 19mm Male x 19mm Female Fuel transfer hose swivel;3/4-inches pipe thread It allows for freer movement and ease while using a fuel nozzle-hose assembly by preventing twisting, binding, and kinking of fuel hoses Compact and light for easy handling;High flow-rate due to laminar flow design High flow-rate due to laminar flow design 360 degree spherical rotation for easy movement