The ServoCity 8mm REX™ Shaft w/ E-Clip (Stainless Steel, 56mm 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, dead axles, or for fastening items. The included E-clip acts as an end-stop, and the shaft's design ensures ease of length selection and installation. Constructed from stainless steel, it offers durability and versatility for various projects.