12 volt 22A voltage regulator/control box with Lucar push-on terminals. Size approximately 85mm x 80mm x 95mm tall. black. 2 bobbin type. Equivalent to Lucas Part Numbers NCB101 and RB106. Applications include Ford, Austin, Hillman, Humber, MG, Morris, Reliant, Riley, Singer, Sunbeam, Wolseley. Mechanical unit with terminals A1, A, F, D and E.