Handle replacement, be it a roll dome handle, trash bar, or a push handle it’s all the same. The bolts are always inserted from the inside. So if you look in here you’ll see the bolt coming through the backend behind the stainless into the handle. Follow the handle and find the bolt. 7/16 inch wrench or socket to remove the bolts. Come to the other side, loosen that, handle’s off. Replacement is in reverse order. The new handle will come with new hardware. Place it over the holes, the bolt and lock washer place as shown. Start it by hand, and finish it with a wrench.