• 5/16" OD x 1/4" OD Pneumatic quick Connector Push to Connect fittings Straight reducer Union/Coupler (Pack of 5) KWD 4
• 20 pcs 1/2 inch Pneumatic Cap Style Plug Fitting,Push-to-Connect Fitting Plug For 1/2 pneumatic tube and pneumatic fittings KWD 5.500
• 5/32" to 5/8" (4mm to 16mm) Push-to-Connect Fittings Disconnect Tool,Removal Tool for Quick Connect Air Hose and Push-fit Pneumatic Fitting. KWD 5.500
• zjxed 40pcs 4mm Quick Connect Air Hose Connector Fittings, 4mm Push to Connect Fittings, Pneumatic Fittings Kit For 5/32" Tube OD KWD 3.500
• zjxed 1/4" OD x 3/8" OD Pneumatic quick Connector Push to Connect fittings Straight reducer Union/Coupler (Pack of 10) KWD 5.500