A pair of Bakelite door knobs, lever handle and hexagonal knob, complete with privacy snib mechanism. Iris brand. In excellent condition, fully refurbished. The distance from the centre of the spindle hole to the centre of the protruding bar is 3.7cm +- 1mm Suitable for doors from 3.5cm thick and up. 7 holed spindle gives up to 12 different possible door thicknesess up to a maximum of 5.5cm. The lever handel is 9.5cm long x 2.1cm wide. The dimensions shown below are for the hexagonal knob.