Ensure your semi is Ready for the Road Ahead with enhanced driveshaft protection, with the Neapco 3.5" x 72" Welded Steel Driveshaft Tubing. Thanks to its sophisticated design, this replacement tubing is able to enclose the internal components of the driveshaft or PTO driveshaft to deliver improved support while guarding against debris, dirt, and water. Crafted with an ultra-strong and rugged body. FleetPride is your First Click in Heavy Duty .