Get yours here: https://amzn.to/2VfqC4U
I just happened to find this on Lees website last week. I called them and made an order over the phone. they told me that the adapter and the kit will be available soon at online distributors.
Deluxe Power Quick Trim kit
http://leeprecision.com/deluxe-power-quick-trim.html
Power Quick Trim Adapter
http://leeprecision.com/power-quick-trim.html
