When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I have a used powerdyne kit and was wondering what size it is. At the front edge of the flange it looks to be 3 1/8". Does that make it a 4.5 or a 6 lb kit?