<p>Hi Rahul,&nbsp;</p>

<p>I measured prongs&nbsp;on these three models. 4.0 mm - 1.4 mm, 4.75 mm - 1.4 mm, 5.1 mm - 1.5 mm. Maybe I should change the pronges in&nbsp;A46117_Round_4.0mm series to 1,3mm? It will look more proportionally.</p>