General description For general workshop use and with compressors, this Connect Rubber Air Hose is designed for durability and performance. Technical specifications Length: 15 metres Inner Diameter: 6.3mm (1/4") Maximum Pressure: 300psi (20 bar) Temperature Range: -10°C to +60°C Material: Black thermo rubber compound with polyester yarn reinforcement Cover: Black abrasion and weather resistant thermo rubber compound with yellow stripe