The ServoCity 8mm REX™ Shaft w/ E-Clip (Stainless Steel, 264mm Length) features a unique 8mm REX™ profile, combining an 8mm round and a 7mm hex profile. This design allows compatibility with 8mm round bore bearings and provides a secure drive. Threaded ends facilitate use as standoffs or dead axles, while the E-clip acts as an end-stop. The shaft's design ensures ease of length selection and installation in bearings, with the E-clip being removable for flexibility in various projects.