How Does an Internal Door Handle Work? Aspire Doors Stainless Steel Aluminium D Handle, Interior Door at 20 piece in Door Inside RC Handles Auto Moto Interior Door Handle Kit Interior Doors Hardware Modern Style Front Doors, Stock and Custom Dnd handles interna. Inner Handle assembly suitable for Aussie Traveller DC Doors only, both left hand and right hand hinge. This handle is for the internal side of the door. Outer door handle sold separately. Please click here for more information on DC Door Replacement Handles, as you will need to identify whether you have the new or old versions to ensure replacement is correct.