The gear set is part of Sony Minidisc MZ-1 loading assembly. Sony part numbers are 4-955-497-01 Gear (Midway C) and 4-955-496-01 Gear (Midway B). 

Replacement part was created using a semi-professional 3D printer using durable Nylon material. The gear was tested for correct operation.

Replaced Midway "C" and Midway "B" gears: https://youtu.be/7ni0UYoNBzs

Gear is compatible with Sony Portable Minidisc Recorder MZ-1 and other minidisc devices using mechanism type MT-MZ1-106 – just check your service manual.

All shipments with tracking number.

Note:

Refund is possible within 14 days after receiving the item - if you are not satisfied with the goods.