Tube Nut, -4 AN, Fits 1/4 in. O.D. Hardline Tube, Requires Tube Sleeves, Steel, Zinc Plated Finish, Set of 6|JEGS Tube Nuts [-4 AN, Steel].
Inverted Flare Steel Tube Nuts For 5/16 " Tube, 1/2"-20 Threads (Pack of 50)
Inverted Flare Steel Tube Nuts For 3/8 " Tube, 5/8"-18 Threads (Pack of 50)
A/C FITTING BARB ,COMPRESSION STEEL TUBE,STRAIGHT #12 HOSE, 5/8" TUBE 2883
Brake Line Fittings Set For 3/16 Tube Inverted Flare steel Tube Nut Kit 10 pcs.
Allstar ALL57264, One Black Zinc Steel 3/4 Steel Tube 10In 1In Od Performance Pa