Operating pressure: 10000 psi [max]Connection: 1/8 in NPTF femaleFor use with standard or giant button head fittingsEachOperating pressure: 10000 psi [max]Connection: 1/8 in NPTF femaleFor use with standard or giant button head fittingsAlemite® Button Head Standard Pull-On Grease Coupler, 1/8 in FNPTFhttp://s7d5.scene7.com/is/image/Staples/s0481196_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0481196_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0481196/Alemite-Button-Head-Standard-Pull-On-Grease-Coupler-1-8-in-FNPTF/product_771389Alemite® Button Head Standard Pull-On Grease Coupler, 1/8 in FNPTF0.00