These are Schumacher Racing Products factory replacement differential output blades for the Mi10 touring car platform, sold as a pair. The blade-type design interfaces with the differential to transfer drive to the outdrives. Each blade includes a retaining pin and O-ring, giving you everything needed for a complete swap. Features: Blade-type differential output design Includes retaining pin and O-ring per blade Sold as a pair Metal construction 7/7/26 cs