Wow! What a difference from the "ring" spacers I'd been using. These provide a very solid interface between my 42-48 drums and my 21" wheels as evidenced by the paint transfer after driving a few miles. As a retired engineer, I can vouch for the robust design and construction. First class!

Nice pieces and fit perfectly. Thanks!!!

As soon as I put the first one on, everything tightened up properly and was secure. Thanks for making a great product.