TEKTON 4731 1/4-Inch NPT Universal Swivel Connector Universal Dual-swivel Design Increases Flexibility at Tool and Hose Connection Eliminates Twisted and Kinked Hoses Precision-machined Zinc-alloy Body and Solid Brass Swivel Fitting Specifications: 1/4-Inch NPT (M) by 1/4-Inch NPT (F); Maximum Working Pressure: 100 PSI 90 Day Guarantee