1/4"-3/8"MILTON type male coupler 1.air coupler,air accessory 2.Material: iron,brass,etc, 1/4"-3/8"MILTON type male coupler ,quick coupler P/NLøDL1SWMTXR1002BB155ø2210.5191/4"NPTXR1002BB255.5ø2211193/8"NPTXR1002BB359ø2213.5211/2"NPTXR1002BJ156ø28.510.5221/4"NPTXR1002BJ257ø28.511223/8"NPTXR1002BJ360ø28.513.5221/2"NPTContact:We will reply your email or fax within 24 hoursYou can call us at any time ...