Pro-Sim make the best H Pattern and sequential sim shifters in the world, bar none! They are designed in conjunction with Quaife Engineering, who have been building some of the best Motorsport gearboxes and differentials since the 1960's. Many of the components used in the construction of the Pro-Sim shifters are the exact same as in real-world Quaife gearboxes. Each product is manufactured using the highest quality materials and processes. So if you want the absolute best...look no further.