Chicago Die Cast 400A 4" x 1/2" Die-Cast V-Grooved Pulley The product is 1/2x4 Pulley Easy and simple use kit The product is manufactured in China For 4L or 1/2-by-11/32-inch A belts Die-cast 4-1/4-inch diameter Returns will not be honored on this closeout item Limit 1 per order