4:1 Safety Factor. Wide range of standard hoses. Available hoses with any length. Rubber Guard on both ends. 3/8"-NPT thread on each end. Can be supplied with couplers on one or both ends. Internal Diameter 6.4mm Oil Ca...... 4:1 Safety Factor. Wide range of standard hoses. Available hoses with any length. Rubber Guard on both ends. 3/8"-NPT thread on each end. Can be supplied with couplers on one or both ends. Internal Diameter 6.4mm Oil Capacity: 35 cm³ per metre. Internal Diameter 9.5mm Oil Capacity: 75 cm³ per metre. Twin hoses for torque wrenches available. AR model. 1.100, 1.500 and 2.800 bar working pressure hoses available.