This is a used Vorwerk Thermomix TM6/TM5 Rear Arm Locking Mechanism Unit Replacement that has been tested to ensure proper functionality. As a previously used part, it may show signs of wear such as scratches, scuffs, or minor marks. Although the unit has been cleaned, some residue may still be present, so we recommend a deep clean before installation. This is a genuine Thermomix part, sold in as-is condition.Please note, only qualified technicians should install this replacement part. We cannot take responsibility for any damage to your Thermomix caused by improper installation or use of our used parts. By purchasing, you agree that we are not liable for any issues arising from the installation of this component.