This Schumacher Racing Products factory replacement alloy wheel hex set is designed for the Mi4 through Mi7 platforms and fits 12mm wheel adapters. The set includes two machined metal hex adapters, two o-rings, and two metal roll pins, giving you everything needed for a complete swap or rebuild. The alloy construction offers a durable alternative to stock plastic hexes for demanding track use. Features: Alloy metal construction for added durability 12mm wheel hex fitment Includes two hex adapters, two o-rings, and two roll pins Compatible with Mi4 through Mi7 platform builds 7/7/26 cs