CNC-machined 84mm CVD drive shaft with 2.5mm pin created from world-renowned HUDY Spring metal. The drive shafts are of the worlds thinnest yet most durable drive shafts utilized in electric off-road automobiles. Hardened with a proprietary hardening procedure, the drive shafts offer unbeatable lifespan and reliability. The CVD set up also features a composite security collar that eliminates the approval of the drive shaft and prevents the drive pin from getting free.