Universal Brake fluid pot - 7/16 UNF Male threaded outlet 1 x Brake fluid reservoir pot Semi-transparent with Max and Minimum level markers. Suitable for off road, rally, race cars, hill climb, classic or vintage vehicles. Reservoir Dimensions; Pot overall length: Approx. 81mm (3 3/16")Outside diameter: 59mm ( 2 5/16")Thread type: 7/16" UNF (24T.P.I)Thread length: 23.5mm ( 15/16")