3/8 Compression Nut for 3/8 Outside Diameter Tubing, (2 Pack), These are 3/8 compression nuts that are designed to be used with 3/8 outside
Breezliy 40PCS Tube OD 12 Brass Compression Sleeves Algeria
3/4 COMPRESSION NUT & Ferrule Combo for 3/4 OD Tube Brass Captive Sleeve Nut $9.95 - PicClick
Nut Taps
Express Pack Brass Field Attachable Hose Mender / Splicer
2 Pack 3/8 Compression Nut & Ferrule Combo for 3/8 OD Tube Brass Sle – compressor-source
Brass Nut - Double Ferrule Compression Tube Fittings
Clippard
Other Fittings & Adapters, Fittings & Adapters, Hydraulics, Pneumatics, Pumps & Plumbing, Business & Industrial - PicClick
2 Pack 3/4 Compression Nut & Ferrule Combo for 3/4 OD Tube Brass Sle – compressor-source
Beduan 304 Stainless Steel Compression Fitting Ferrule Sleeve 1/2 Tube OD Double Ferrule Rings Tubing Fitting(Pack of 5) - Yahoo Shopping
Nut And Ferrule Fitting