Feature:1. High Compatibility: Designed for Sprinter 4 red holes 20072018, for Sprinter and Metris 4 yellow holes 20192020, for Transit 150 250 350 4 green holes 20142023, etc.2. Upgraded Design: Convert your fixed seat into a swivel seat for improved accessibility and comfort, perfectly upgrade your seat to ensure stable driving.3. Flexible Effect: The base can be rotated forward or backward 360, and enjoy full range of motion to easily enter or exit the vehicle, or adjust your seating position.4. Durable Construction: Made from high strength carbon steel and hot rolled steel materials to ensure long lasting performance and resistance to rust.5. Direct Replacement: Professional manufacturing, this is your ideal option and replacement for your rebuild, repair, and maintenance needs.Specification:Item Type: Driver Seat SwivelMaterial: Carbon steel, hot rolled steelRotation Angle: 0-360 degreesRotation Direction: Both clockwise and counterclockwiseApplication: Suitable for seat modification, converting fixed seats into swivel seats (for driver side only)Applicable Models: The following models can be installed directly without drillingFit for Sprinter (4 red holes) 2007-2018 Fit for Sprinter and Metris (4 yellow holes) 2019-2020Fit for Sprinter (6 purple holes) 2002-2006Fit for Transit 150 250 350 (4 green holes) 2014-2023 Fit for Promaster (6 blue holes) 2014-2020Fit for Multivan T5 T6 (may require drilling for other models).Package List:1 x RV Seat Swivel BaseNote:The installation of this product has a certain level of difficulty. It is strongly recommended to seek the assistance of a professional engineer to ensure a perfect shopping experience. Please pay attention to safety during the installation process.