The 8mm REX™ Shaft w/ E-Clip (Stainless Steel, 43mm Length) features a unique profile combining an 8mm round and a 7mm hex design, allowing compatibility with various bearings and providing a secure drive. Threaded ends facilitate its use as standoffs or dead axles, while the E-clip acts as an end-stop. The shaft's design ensures ease of integration into projects, with the option to remove the E-clip as needed.