The Rati Armster armrest mounting base is an adapter specially designed for the 2012–2021 Chevrolet Cobalt, for installing an ARMSTER series armrest console. It is fitted over the handbrake, between the front seats, and is made of plastic. The armrest console is not included and is sold separately.
- Type: Armrest mounting base
- Compatibility: Chevrolet Cobalt 2012–2021
- Colour: Black
- Material: Plastic
- Maximum supported weight: Up to 80 kg
- Installation position: Between the front seats, over the handbrake
- Package contents: Mounting base, screws and user manual
- Quantity: 1