What size is it: 5mm inside diameter, 12mm outside diameter and 3.5mm wall, supplied as one 5m length. Measure your spigot or barb first and cut to length with a sharp blade What fluids is it for: Petrol and unleaded fuel including E10 and E15 blends, diesel, methanol, oil, heating oil, lubricants and water. Not for pure biofuel What pressure and temperature can it take: Rated 20 bar working pressure and 60 bar burst, from -40C to +100C, and resistant to weather and ozone Where should it not be used: Not as a pressure line on fuel-injected engines and not submerged in fuel. It is made for non-pressurised fuel systems, oil lines and fuel transfer How is it made: Smooth black synthetic nitrile rubber with a high-strength dual thread braid, made to the SAE J30 R6 fuel and oil hose specification What is in the box: One 5m length of 5mm hose. Hose clips and fittings are not included, so add a suitable clip at each end