Primefit ISP1414MS-B25-P 1/4-Inch Male Industrial Swivel Plug Contractor Pack, 25-Piece Industrial / M-Style Interchange - Adapts to all Industrial / M-Style couplers Swivel design allows for 360 Degree rotation for greater tool mobility and reduced hose kinking Zinc plated steel construction for corrosion resistance and longer life 1/4-Inch Body size 1/4-Inch Male NPT threads