Super-tiny, lightweight CVD universal drive shaft (138mm) for XT8 created from world-renown HUDY Spring Steel is strategically machined for toughness and light-weight without compromising energy. All drive shafts are made of world-renowned HUDY Spring Steel, leading to several of the worlds thinnest yet many durable drive shafts provide down road vehicles. All drive shafts & outdrives are hardened with a proprietary solidifying procedure presenting unsurpassed lifespan & reliability.