Switch as Lucas PPG1 style light switch with pull/twist/pull action. Fits through 10mm hole max panel thickness 3mm with chrome retaining nut, hexagon shaft with spring loaded locating pin, three screw terminal connections application side/head light switch. Supplied without knob. Overall dimensions length 85mm width 35mm (max) 24mm (min). Shaft 27mm long, 6.4mm diameter. Three positions - 1 - Off, 2 - Pull on , 3 - Turn and pull. Applications include MGA, Triumph, Austin Healey, TR2 and TR3A