Dora Hardware Private Limited Our company Dora Hardware Private Limited was established in the year 2012. The present invention ACE Door-Stopper relates to a new and improvised self adjusting foot plunger door stopper holder, to be conveniently operated by foot with an instant hold and release mechanism. It comprises of a dual spring operated plunger which activates with minimal pressure by pressing the platform, and releases instantly with a light tap on the front panel, with a replaceable and adjustable ribbed anti-skid and non-marring rubber shoe at the bottom to press and hold the door at desired place against the floor.