Seat Swivel Universal Motorhome Turntable Campervan BOAT TRACTOR VAN CAMPER UK. This one need drill and modify as it’s designed for universal use. Best for buyers who want to find yourself in modify and enjoy it. You must be good at modify things or you can just go to a shop to finish it. We also sell ones for special cars which can be used directly. As a universal swivel seat base, it is designed to be compatible with a large variety of vans; however this does not mean it is compatible straight out of the box, Buyers. Need to fabricate their own holes/brackets etc in the correct place so that it aligns up with the bolts and brackets on the base of your seat. We have tried our best to supply as much information about the swivel base design including all dimensions. And a detailed diagram of the base, and where all its current holes and fittings are. Product Category: Rotating Mechanism. Product Code: HY HY21A. Appearance size: 39036040mm(the height including knob is 95mm). Adjust angle range: 90°. Seat will be 5-6cm higher than original after modify. Material: stainless steel, carbon steel, hot rolled steel, copper, iron, etc. Making process: stamping, metalplated, bending, welding, riveting, electrophoretic coating. Surface treatment: galvanized, copper plated, chrome plated, electroplated, e-coat and so on. Thickness: According to client’s requirements. Specification: According to client’s requirements. Serve type: Samples/Drawing &Requirement from you. If base is small than your seat and you still want it, you may need a overplate and welding them together. If only need new holes, then drill new holes. Not use directly, tky. No return if item is not new(already modified, tky). 1? This item is not ready for immediate use right out of the box. Customers need to modify it according to their own seating situation. Usual modifications include adding transition plates, re-punching holes or direct welding. 2? It is only suitable for single seat swivel!!! 3? Our product is not limited to vehicle models. Customers need to re drill or weld the seat according to the screw position, or add a steel plate transition plate. And this product is not suitable for vehicles with battery cables installed under the seats of the vehicle. When you install, the bottom of the seat needs to be flat and must be a flat surface. Use directly for specific cars. Our warehouse is located in UK. We make sure everything we do honors that connection – from our commitment to the highest quality items we can achieve, to the way we engage with our customers and communities to do business responsibly.