Tubes serve as a metal cylindrical encasement for a shaft within a given PTO drive shaft, and provides supplemental reinfocement to the drive shaft. Tubing is available in both domestic (North American) and metric profile shapes. Domestic tubing is provided as square, rectangle, or round. The Weasler Profile product line includes metric and tubing available in both German and Italian styling: German style provided as lemon or star in shape and Italian as trilobed in shape.
