YaeTek 1 inch" Male x1 inch" Female Multi-Plane Fuel Swivel, 25.4mm Male x 25.4mm Female Fuel transfer hose swivel;1-inch 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