The 8mm REX™ Shaft w/ E-Clip (Stainless Steel, 40mm Length) features a unique profile combining an 8mm round and a 7mm hex design, allowing compatibility with both round and hex bore bearings. Its threaded ends facilitate use as standoffs, dead axles, or for fastening items. The E-clip acts as an end-stop, ensuring secure placement. The shaft's design ensures ease of length selection and adaptability for various project requirements.