NEW & Improved Dust Deputy Deluxe System w/Bucket MYOGB-120-240 OD size is 3-3/8" ID

OD size is 3-3/8" ID is 2-11/64" and the OD of the raised part of the ring that drops down into the furnace is 2-3/4" and its 3/8" thick overall

This book is a little piece of history

If not you will need to add Chapman Flux Thinner (Flux thinner is Lime & Flourspar mixed 50/50 by weight)  If your results have specs of gold in the slag it could be that 1

This Steel 10oz & 5oz Gold Bar Mold is a Old Timers Style Loaf Bar Mold

ready to ship

NEW & Improved Dust Deputy Deluxe System w/Bucket MYOGB-120-240 OD size is 3-3/8" IDThis Vacuum attachment is designed and compatible for 11" & 14" K&M Krushers. Its to be attached to the exit port of the crusher then attach a 2 1 8" hose to the round exit port and then attach to your Shop Vac or if you are using a Dust Deputy Cyclone (Official Oneida Products) to the side port or opening of the Cyclone. To attach the Vacuum Port, slide it completely up on the crusher then tighten the 5 16" bolt provided and lock it down with the 5