The CLE-72B 1/4" X 72" Blue KOBRA High Pressure Gasket Seal Hose Features Fittings Designed with a Hood that Lock the Gasket into the Fitting with a Straight Edge to Straight Edge Force that Eliminates the Blowout of the Gasket. The Barbed Depressor Locks into the Gasket, Exuding more Outward Force and Pushing the Gasket Further into Place. This Depressor is Precisely Machined for Maximum Flow and has a Dimple that Guides the Valve Core into Place. Kevlar Construction makes the Hose Strong and Flexible, while the Nitrile Cover Extends the Life of the Hose Better than Neoprene