PSS 2 1/4in shaft / 5in tube Williams & Heintz Map Their large interior opening allows

Their large interior opening allows plenty of articulation especially when attached to a round bail

16" (11 mm) stud length to accept multiple cable terminals

The set screws are made with a cup at the base that compresses into the shaft ensuring a secure grip

The orbital ball-bearing arrangement gives the largest possible bearing race diameter

PSS 2 1/4in shaft / 5in tube Williams & Heintz Map Their large interior opening allowsAs with any rubber hose below waterline, the PSS bellows must be inspected on a regular basis for any sign of wear, aging or chemical deterioration. PYI suggests preventative maintenance. The PSS bellow should be replaced in six year intervals. During bellows replacement it is recommended the o rings & set screws in the stainless steel rotor also be replaced. Bellows may need to be more frequently inspected in an environment where non sealed batteries