The Trak Racer universal seat brackets have been designed to fit most reclining race seats and some office chairs. There are a variety of adjustable mounting points that will enable you to mount a large variety of different GT style seats that have base mounting holes. Made from a steel construction with a black powder coated finish to resist corrosion and maintain their professional finish. Compatible with all Trak Racer rigs and also universal rigsSuitable for most base mounted seats including some office chairsAdjustable for different recline angles to obtain the ideal seat positionThe universal reclining seat brackets are an industry first and are made to the same high quality as all Trak Racer products. Included are additional brackets that are suitable for narrow mounting points on office chairs.Specifications: Mounts to the bottom of the seat or office chair with mounting points between 138mm and 350mm. Mounts to the top of the seat slider and sim rig frames with mounting points