All fittings are supplied with a compression nut & universal olive suitable for both copper nylon & bundy tubing. Read more here at Airlines Pneumatics.
BRASS COMPRESSION FITTINGS - OLIVE CONNECTOR MALE ONLY (BSP x BSPT) (pack of 10 pieces) (TUBE OD x BSPT - 1 x 1/2) : : Electronics
Replacing the valve block air line collets with threaded compression fittings
How to create a compression fitting using a compression fitting spanner? - Wonkee Donkee Tools
Industrial Air 3/4 in. x 100 ft. HDPE/Aluminum Air Piping System 024-0397IA - The Home Depot
SRAM - Avid Stealth-A-Majig Barb And Olive For Brake Hose – MTB Direct Australia
Brass Olive Nut - Compression Nut, Ferrule Nut, Pipe Nut Manufacturer, Exporter and Supplier India, MM International Jamnagar, Gujarat, India
Olives - Sensor Fittings
Fittings Adaptors & Accessories – GP85
ARB Bulkhead Fitting - Old Type - 5mm Pipe
SRAM Stealthamajig Brake Hose Olive and Barb - Fanatik Bike Co.
Brass Compression Fitting Parts - Kevin Brass Industries