A "3-inch door kabza" likely refers to a door handle or knob with a 3-inch diameter or measurement. Door kabza is a term used in some regions to refer to door handles, knobs, or latches. The 3-inch measurement typically pertains to the size of the circular or round part of the door handle or knob.
If you are looking for a door handle or knob with a 3-inch diameter, you may want to visit a hardware store or search online for door hardware that meets your specifications. Keep in mind that the terminology and sizing of door hardware may vary by region and manufacturer, so it's important to specify your requirements clearly when shopping for such items.
