Male/Female threads Lever handle in steel Body in nickel-plated brass Minimum and maximum working temperatures: -20°C, 60°C (class T2 under EN331) Female threads: ISO 7/1 Rp parallel (equivalent to DIN EN 10226-1 and BS21) Male threads: ISO 7/1 R taper (equivalent to DIN EN 10226-1 and BS21)