Die-cast. A section for 4L or 1/2″ x 11/32″ belts. All pulleys are furnished with hollow head set screws. The 146 3-step pulley measures 2-1/4″, 3″ and 3-3/4″ outside diameter. The 141 4-step pulley measures 2″, 2-1/2″, 3-1/2″, and 4″ outside diameter.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer.
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